{"id":109937,"date":"2026-05-08T13:30:46","date_gmt":"2026-05-08T11:30:46","guid":{"rendered":"https:\/\/blog.mailfence.com\/es-compatible-el-calendario-de-proton-con-caldav\/"},"modified":"2026-06-02T19:27:32","modified_gmt":"2026-06-02T17:27:32","slug":"es-compatible-el-calendario-de-proton-con-caldav","status":"publish","type":"post","link":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/","title":{"rendered":"\u00bfEs Proton Calendar compatible con CalDAV?"},"content":{"rendered":"\n<p>Si ha elegido Proton para su correo electr\u00f3nico, probablemente tambi\u00e9n quiera que su calendario funcione bien con el resto de su configuraci\u00f3n. Aqu\u00ed est\u00e1 el truco: <strong>Proton Calendar no es compatible con CalDAV<\/strong>, por lo que Apple Calendar, Thunderbird y Outlook no pueden sincronizarse con \u00e9l. <\/p>\n\n\n\n<p>En este art\u00edculo, veremos por qu\u00e9 existe esa limitaci\u00f3n, qu\u00e9 ofrece Proton en su lugar y qu\u00e9 servicios de calendario privados <em>s\u00ed<\/em> son compatibles con CalDAV.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-por-que-proton-calendar-no-es-compatible-con-caldav\">\u00bfPor qu\u00e9 Proton Calendar no es compatible con CalDAV?<\/h2>\n\n\n\n<p><strong>Todo se reduce a c\u00f3mo funciona la encriptaci\u00f3n de extremo a extremo.<\/strong><\/p>\n\n\n\n<p>Proton encripta todos los eventos de su dispositivo antes de que lleguen a sus servidores: \u00e9se es el objetivo. CalDAV, por el contrario, se dise\u00f1\u00f3 para leer y editar los datos del calendario directamente en el servidor. Estas dos ideas no pueden coexistir: un servidor que es ciego a sus eventos por dise\u00f1o no puede dar servicio a un protocolo que necesita verlos.<\/p>\n\n\n\n<p>As\u00ed que la brecha no es un descuido. Es la arquitectura que funciona seg\u00fan lo previsto. <\/p>\n\n\n\n<p>La comunidad Proton lleva m\u00e1s de una d\u00e9cada solicitando CalDAV. A fecha de 2026, la petici\u00f3n de funci\u00f3n en el foro UserVoice de Proton tiene miles de votos y sigue sin implementarse, y los usuarios siguen comentando activamente que <em>\u00abme parece incre\u00edble que la gente lleve m\u00e1s de 10 a\u00f1os pidiendo una funci\u00f3n tan sencilla\u00bb.<\/em> <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-que-significa-esto-para-usted-en-la-practica\">\u00bfQu\u00e9 significa esto para usted en la pr\u00e1ctica?<\/h3>\n\n\n\n<p><strong>Su calendario no est\u00e1 disponible a trav\u00e9s de la sincronizaci\u00f3n nativa CalDAV.<\/strong><\/p>\n\n\n\n<p>Aplicaciones como Apple Calendar, Thunderbird y DAVx\u2075 son clientes compatibles con CalDAV. Ninguna de ellas puede conectarse a Proton Calendar a trav\u00e9s de CalDAV. <\/p>\n\n\n\n<p><strong>No puede conseguir una sincronizaci\u00f3n bidireccional del calendario entre Proton y su aplicaci\u00f3n de terceros preferida.<\/strong><\/p>\n\n\n\n<p>Si su flujo de trabajo depende de ver un calendario en varias aplicaciones, esto es una limitaci\u00f3n real.<\/p>\n\n\n\n<p>Es especialmente relevante si utiliza un tel\u00e9fono Android con DAVx\u2075, o si gestiona horarios compartidos en distintas plataformas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-que-ofrece-proton-en-su-lugar\">\u00bfQu\u00e9 ofrece Proton en su lugar?<\/h3>\n\n\n\n<p><strong>Proton Calendar admite la suscripci\u00f3n a calendarios externos a trav\u00e9s de URL, pero es s\u00f3lo de visualizaci\u00f3n.<\/strong><\/p>\n\n\n\n<p>Puede a\u00f1adir un enlace iCal de otro calendario en Proton. Mostrar\u00e1 esos eventos junto a los suyos.<\/p>\n\n\n\n<p>Tambi\u00e9n puede compartir su propio Proton Calendar como un enlace al que otros puedan suscribirse.<\/p>\n\n\n\n<p><strong>Pero hay dos limitaciones clave.<\/strong><\/p>\n\n\n\n<p>Los calendarios suscritos son de s\u00f3lo lectura. No puede editar ni eliminar eventos de ellos.<\/p>\n\n\n\n<p>Y seg\u00fan <a href=\"https:\/\/proton.me\/support\/subscribe-to-external-calendar\" target=\"_blank\" rel=\"noreferrer noopener\">la documentaci\u00f3n de soporte de Proton<\/a>, los calendarios externos se actualizan cada 8-16 horas, no en tiempo real.<\/p>\n\n\n\n<p>La suscripci\u00f3n URL es realmente \u00fatil para casos de poco riesgo: echar un vistazo a la agenda de un colega, consultar los d\u00edas festivos, ver un calendario deportivo. Simplemente no est\u00e1 hecha para el trabajo que hace CalDAV, que es mantener sus propios eventos sincronizados dondequiera que los edite.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"613\" src=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-1024x613.png\" alt=\"proton calendar compatible caldav: Gr\u00e1fico de barras horizontales en escala logar\u00edtmica que compara el retraso de sincronizaci\u00f3n entre los servicios de calendario.\" class=\"wp-image-109906\" srcset=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-1024x613.png 1024w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-300x180.png 300w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-768x460.png 768w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-1536x919.png 1536w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/sync-delay-comparison-chart-2048x1225.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Retraso m\u00e1ximo de sincronizaci\u00f3n para que los cambios de calendario se propaguen entre los dispositivos. Los proveedores de CalDAV funcionan en segundos; la suscripci\u00f3n basada en URL de Proton puede tardar hasta 16 horas, y la importaci\u00f3n <a href=\"https:\/\/en.wikipedia.org\/wiki\/ICalendar\" target=\"_blank\" rel=\"noreferrer noopener\">ICS<\/a> de Tuta es de una sola vez y no continua. Fuentes: Documentaci\u00f3n de soporte de Proton, anuncio de la sincronizaci\u00f3n push de Fastmail.  <\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-como-se-comparan-los-servicios-privados-de-calendario\">\u00bfC\u00f3mo se comparan los servicios privados de calendario?<\/h3>\n\n\n\n<p>He aqu\u00ed c\u00f3mo los tres principales servicios privados de calendario se enfrentan a CalDAV y a la <a href=\"https:\/\/blog.mailfence.com\/es\/que-es-la-interoperabilidad-y-por-que-es-importante\/\" target=\"_blank\" rel=\"noreferrer noopener\">interoperabilidad<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Funci\u00f3n<\/strong><\/td><td><strong>Proton Calendar<\/strong> <\/td><td><strong>Tuta Calendar<\/strong><\/td><td><strong>Mailfence<\/strong><\/td><\/tr><tr><td>Sincronizaci\u00f3n CalDAV<\/td><td>No<\/td><td>No<\/td><td>S\u00ed<\/td><\/tr><tr><td>Sincronizaci\u00f3n bidireccional con apps de terceros<\/td><td>No<\/td><td>No<\/td><td>S\u00ed<\/td><\/tr><tr><td>Suscripci\u00f3n al calendario basada en URL<\/td><td>S\u00ed (s\u00f3lo vista, actualizaci\u00f3n de 8-16 h)<\/td><td>Importaci\u00f3n ICS<\/td><td>S\u00ed<\/td><\/tr><tr><td>Eventos de calendario encriptados de extremo a extremo<\/td><td>S\u00ed<\/td><td>S\u00ed<\/td><td>No<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Cada proveedor elige sus prioridades. <a href=\"https:\/\/blog.mailfence.com\/es\/proton-mail-vs-mailfence-guia-comparativa-completa-2025\/\" target=\"_blank\" rel=\"noreferrer noopener\">Proton<\/a> y <a href=\"https:\/\/blog.mailfence.com\/es\/tuta-vs-mailfence\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tuta<\/a> bloquean todo con encriptaci\u00f3n de extremo a extremo y aceptan el coste de interoperabilidad que ello conlleva. Mailfence toma un camino diferente, manteniendo abierto CalDAV. <\/p>\n\n\n\n<p>Ninguna de las dos respuestas es err\u00f3nea; la correcta depende de si prefiere que sus eventos permanezcan ilegibles para el servidor o que sean accesibles desde todas las aplicaciones que utilizas realmente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-que-servicios-de-calendario-son-realmente-compatibles-con-caldav\">\u00bfQu\u00e9 servicios de calendario son realmente compatibles con CalDAV?<\/h2>\n\n\n\n<p>Si CalDAV es importante para su flujo de trabajo, tiene opciones reales. Aqu\u00ed tiene las principales que merece la pena conocer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mailfence\"><strong>Mailfence<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.mailfence.com\/business-email.jsp\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Mailfence<\/strong><\/a> <strong>es compatible con CalDAV completo en el plan gratuito sin restricciones.<\/strong><\/p>\n\n\n\n<p>Funciona de forma nativa con el Calendario de Apple, Thunderbird, Outlook, DAVx\u2075 en Android y el Cliente eM. Consigue sincronizaci\u00f3n bidireccional en tiempo real con todos ellos. Esa interoperabilidad es intencionada. Como dijo el cofundador de Mailfence, Patrick De Schutter, en una entrevista de 2019: <em>\u00abEst\u00e1 dise\u00f1ado para ser altamente interoperable con dispositivos cliente\/m\u00f3vil a trav\u00e9s de protocolos est\u00e1ndar como CalDAV, CardDAV, ActiveSync e IMAP\u00bb.<\/em><\/p>\n\n\n\n<p><strong>Sus datos viven en un servidor protegido por la legislaci\u00f3n belga sobre privacidad.<\/strong> Esto lo convierte en una buena elecci\u00f3n si quiere CalDAV y privacidad en el mismo servicio.<\/p>\n\n\n\n<p>Mailfence tambi\u00e9n cubre el <a href=\"https:\/\/blog.mailfence.com\/es\/cifrado-de-extremo-a-extremo-y-firmas-digitales\/\" target=\"_blank\" rel=\"noreferrer noopener\">correo electr\u00f3nico cifrado de extremo a extremo<\/a>, la sincronizaci\u00f3n de contactos mediante CardDAV y las firmas digitales, todo desde una sola cuenta.<\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"100846\" class=\"elementor elementor-100846 elementor-100761\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-124e1725 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"124e1725\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-654e4e21\" data-id=\"654e4e21\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a3b1a23 elementor-widget elementor-widget-text-editor\" data-id=\"3a3b1a23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Mailfence &#8211; Su paquete de productividad seguro<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c004279 elementor-widget elementor-widget-text-editor\" data-id=\"2c004279\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Recupere su privacidad con<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83e0dd6 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"83e0dd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope-open-text\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M176 216h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16c0 8.84 7.16 16 16 16zm-16 80c0 8.84 7.16 16 16 16h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16zm96 121.13c-16.42 0-32.84-5.06-46.86-15.19L0 250.86V464c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V250.86L302.86 401.94c-14.02 10.12-30.44 15.19-46.86 15.19zm237.61-254.18c-8.85-6.94-17.24-13.47-29.61-22.81V96c0-26.51-21.49-48-48-48h-77.55c-3.04-2.2-5.87-4.26-9.04-6.56C312.6 29.17 279.2-.35 256 0c-23.2-.35-56.59 29.17-73.41 41.44-3.17 2.3-6 4.36-9.04 6.56H96c-26.51 0-48 21.49-48 48v44.14c-12.37 9.33-20.76 15.87-29.61 22.81A47.995 47.995 0 0 0 0 200.72v10.65l96 69.35V96h320v184.72l96-69.35v-10.65c0-14.74-6.78-28.67-18.39-37.77z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Mensajes<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar-alt\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M148 288h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12zm108-12v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 96v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm192 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96-260v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V112c0-26.5 21.5-48 48-48h48V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h128V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h48c26.5 0 48 21.5 48 48zm-48 346V160H48v298c0 3.3 2.7 6 6 6h340c3.3 0 6-2.7 6-6z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Calendarios<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-folder\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M464 128H272l-54.63-54.63c-6-6-14.14-9.37-22.63-9.37H48C21.49 64 0 85.49 0 112v288c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V176c0-26.51-21.49-48-48-48zm0 272H48V112h140.12l54.63 54.63c6 6 14.14 9.37 22.63 9.37H464v224z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Documentos<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-users-cog\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M610.5 341.3c2.6-14.1 2.6-28.5 0-42.6l25.8-14.9c3-1.7 4.3-5.2 3.3-8.5-6.7-21.6-18.2-41.2-33.2-57.4-2.3-2.5-6-3.1-9-1.4l-25.8 14.9c-10.9-9.3-23.4-16.5-36.9-21.3v-29.8c0-3.4-2.4-6.4-5.7-7.1-22.3-5-45-4.8-66.2 0-3.3.7-5.7 3.7-5.7 7.1v29.8c-13.5 4.8-26 12-36.9 21.3l-25.8-14.9c-2.9-1.7-6.7-1.1-9 1.4-15 16.2-26.5 35.8-33.2 57.4-1 3.3.4 6.8 3.3 8.5l25.8 14.9c-2.6 14.1-2.6 28.5 0 42.6l-25.8 14.9c-3 1.7-4.3 5.2-3.3 8.5 6.7 21.6 18.2 41.1 33.2 57.4 2.3 2.5 6 3.1 9 1.4l25.8-14.9c10.9 9.3 23.4 16.5 36.9 21.3v29.8c0 3.4 2.4 6.4 5.7 7.1 22.3 5 45 4.8 66.2 0 3.3-.7 5.7-3.7 5.7-7.1v-29.8c13.5-4.8 26-12 36.9-21.3l25.8 14.9c2.9 1.7 6.7 1.1 9-1.4 15-16.2 26.5-35.8 33.2-57.4 1-3.3-.4-6.8-3.3-8.5l-25.8-14.9zM496 368.5c-26.8 0-48.5-21.8-48.5-48.5s21.8-48.5 48.5-48.5 48.5 21.8 48.5 48.5-21.7 48.5-48.5 48.5zM96 224c35.3 0 64-28.7 64-64s-28.7-64-64-64-64 28.7-64 64 28.7 64 64 64zm224 32c1.9 0 3.7-.5 5.6-.6 8.3-21.7 20.5-42.1 36.3-59.2 7.4-8 17.9-12.6 28.9-12.6 6.9 0 13.7 1.8 19.6 5.3l7.9 4.6c.8-.5 1.6-.9 2.4-1.4 7-14.6 11.2-30.8 11.2-48 0-61.9-50.1-112-112-112S208 82.1 208 144c0 61.9 50.1 112 112 112zm105.2 194.5c-2.3-1.2-4.6-2.6-6.8-3.9-8.2 4.8-15.3 9.8-27.5 9.8-10.9 0-21.4-4.6-28.9-12.6-18.3-19.8-32.3-43.9-40.2-69.6-10.7-34.5 24.9-49.7 25.8-50.3-.1-2.6-.1-5.2 0-7.8l-7.9-4.6c-3.8-2.2-7-5-9.8-8.1-3.3.2-6.5.6-9.8.6-24.6 0-47.6-6-68.5-16h-8.3C179.6 288 128 339.6 128 403.2V432c0 26.5 21.5 48 48 48h255.4c-3.7-6-6.2-12.8-6.2-20.3v-9.2zM173.1 274.6C161.5 263.1 145.6 256 128 256H64c-35.3 0-64 28.7-64 64v32c0 17.7 14.3 32 32 32h65.9c6.3-47.4 34.9-87.3 75.2-109.4z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Grupos<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-436babb elementor-align-center elementor-widget elementor-widget-button\" data-id=\"436babb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/mailfence.com\/es\/#pricing\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Obtener Mailfence gratis<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nextcloud\"><strong>Nextcloud<\/strong><\/h3>\n\n\n\n<p><strong>Si quiere un control total, Nextcloud permite autoalojar su propio servidor CalDAV.<\/strong><\/p>\n\n\n\n<p>Nextcloud Calendar admite la sincronizaci\u00f3n bidireccional CalDAV con Apple Calendar, Thunderbird, DAVx\u2075 y Outlook (a trav\u00e9s del plugin CalDAV Synchronizer).<\/p>\n\n\n\n<p>La contrapartida es la configuraci\u00f3n y el mantenimiento. Necesita su propio servidor o una instancia alojada de Nextcloud, y un TLS o autenticaci\u00f3n mal configurados pueden causar fallos de sincronizaci\u00f3n.<\/p>\n\n\n\n<p><strong>Para los usuarios t\u00e9cnicamente seguros, es la opci\u00f3n m\u00e1s privada: sus datos nunca salen de su hardware.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-icloud\"><strong>iCloud<\/strong><\/h3>\n\n\n\n<p><strong>El Calendario iCloud de Apple utiliza CalDAV.<\/strong><\/p>\n\n\n\n<p>Si ya est\u00e1 en el ecosistema de Apple, simplemente funciona, sin necesidad de configurar manualmente el servidor. Tambi\u00e9n puede conectar iCloud a Android mediante DAVx\u2075 utilizando una contrase\u00f1a espec\u00edfica de la aplicaci\u00f3n.<\/p>\n\n\n\n<p>Sin embargo, iCloud no es un servicio que priorice la privacidad. Apple tiene acceso a los datos de su calendario, y est\u00e1 atado a su ecosistema.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fastmail\">Fastmail<\/h3>\n\n\n\n<p><a href=\"https:\/\/blog.mailfence.com\/es\/mailfence-vs-fastmail\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Fastmail<\/strong><\/a> <strong>es compatible con CalDAV<\/strong> y se sincroniza con el Calendario de Apple, Thunderbird, DAVx\u2075 y aplicaciones como Morgen y Fantastical.<\/p>\n\n\n\n<p><strong>Fastmail es uno de los pocos servicios CalDAV que admite la sincronizaci\u00f3n push en dispositivos Apple<\/strong>, por lo que sus eventos se actualizan al instante.<\/p>\n\n\n\n<p>Fastmail no es gratuito y tiene su sede en Australia (parte de la alianza de inteligencia Cinco Ojos). Los planes empiezan en 5 $\/mes con facturaci\u00f3n anual. Pero si la fiabilidad de CalDAV es su principal prioridad, es una elecci\u00f3n s\u00f3lida.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"612\" src=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-1024x612.png\" alt=\"Tabla comparativa con sincronizaci\u00f3n CalDAV, sincronizaci\u00f3n bidireccional, encriptaci\u00f3n de extremo a extremo, plan gratuito y jurisdicci\u00f3n\" class=\"wp-image-109911\" srcset=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-1024x612.png 1024w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-300x179.png 300w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-768x459.png 768w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-1536x918.png 1536w, https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/calendar-comparison-chart-2048x1224.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Comparaci\u00f3n de los principales servicios de calendario privados y convencionales en cuanto a compatibilidad con CalDAV, sincronizaci\u00f3n bidireccional, cifrado de extremo a extremo, disponibilidad de planes gratuitos y jurisdicci\u00f3n. Mailfence es el \u00fanico proveedor de la lista que da prioridad a la privacidad y combina la gratuidad de CalDAV con la protecci\u00f3n de datos de la UE. Fuentes: Documentaci\u00f3n de soporte de Proton, blog de Tuta (febrero de 2026), p\u00e1gina de precios de Fastmail, Base de conocimientos de Mailfence.  <\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-que-pasa-con-las-propias-aplicaciones-de-calendario\"><strong>\u00bfQu\u00e9 pasa con las propias aplicaciones de calendario?<\/strong><\/h3>\n\n\n\n<p>CalDAV tiene dos caras: el <strong>servidor<\/strong> (donde viven sus datos) y el <strong>cliente<\/strong> (la aplicaci\u00f3n con la que interact\u00faas).<\/p>\n\n\n\n<p>Los servicios anteriores son servidores. Los clientes que se conectan a ellos son <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Apple Calendar:<\/strong> Compatibilidad integrada con CalDAV en macOS e iOS<\/li>\n\n\n\n<li><strong>Mozilla Thunderbird:<\/strong> Compatibilidad total con CalDAV en el escritorio<\/li>\n\n\n\n<li><strong>DAVx\u2075:<\/strong> La aplicaci\u00f3n de sincronizaci\u00f3n CalDAV para Android<\/li>\n\n\n\n<li><strong>Cliente eM:<\/strong> Compatibilidad con CalDAV en Windows y macOS<\/li>\n\n\n\n<li><strong>Fant\u00e1stical:<\/strong> Se sincroniza con cualquier servicio CalDAV<\/li>\n\n\n\n<li><strong>Morgen:<\/strong> Funciona con iCloud, Fastmail y otros servidores CalDAV<\/li>\n<\/ul>\n\n\n\n<p><strong>El servidor se elige por privacidad. El cliente se elige por su usabilidad. <\/strong> Esa es la belleza de un protocolo abierto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusi\u00f3n<\/h2>\n\n\n\n<p>La compatibilidad con CalDAV del Proton Calendar Proton no existe, y la raz\u00f3n es un verdadero compromiso arquitect\u00f3nico. Pero no tiene por qu\u00e9 renunciar a la flexibilidad a cambio de privacidad.<\/p>\n\n\n\n<p>Mailfence le ofrece sincronizaci\u00f3n CalDAV completa y correo electr\u00f3nico cifrado de extremo a extremo, todo ello protegido por la ley belga de privacidad. Funciona con las aplicaciones que ya utiliza, en el plan gratuito.<\/p>\n\n\n\n<p>\u00bfQuiere estar al tanto de m\u00e1s contenidos relacionados con la privacidad? Siga nuestro bolet\u00edn mensual:<\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"98647\" class=\"elementor elementor-98647 elementor-96253\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b44a55c elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b44a55c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3795981\" data-id=\"3795981\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-907509e elementor-widget elementor-widget-text-editor\" data-id=\"907509e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Reciba las \u00faltimas noticias sobre privacidad en su bandeja de entrada<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-838b7ca elementor-widget elementor-widget-text-editor\" data-id=\"838b7ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Suscr\u00edbase al Bolet\u00edn de Mailfence.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e81452d elementor-button-align-end elementor-widget elementor-widget-form\" data-id=\"e81452d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;20&quot;,&quot;step_next_label&quot;:&quot;Siguiente&quot;,&quot;step_previous_label&quot;:&quot;Anterior&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" id=\"newsletter_signup\" name=\"Nuevo formulario\" aria-label=\"Nuevo formulario\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"98647\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"e81452d\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"C\u00f3mo crear su dominio de correo electr\u00f3nico personalizado en 2026 | Gu\u00eda\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"24912\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-60 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-lg  elementor-field-textual\" placeholder=\"Enviar un correo electr\u00f3nico a\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-20 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Registrarse<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n","protected":false},"excerpt":{"rendered":"<p>Si ha elegido Proton para su correo electr\u00f3nico, probablemente tambi\u00e9n quiera que su calendario funcione bien con el resto de su configuraci\u00f3n. Aqu\u00ed est\u00e1 el truco: Proton Calendar no es compatible con CalDAV, por lo que Apple Calendar, Thunderbird y Outlook no pueden sincronizarse con \u00e9l. En este art\u00edculo, veremos por qu\u00e9 existe esa limitaci\u00f3n, [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":109920,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18611],"tags":[],"class_list":["post-109937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-productividad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfProton Calendar es compatible con CalDAV? = \u00a1No lo es! | Mailfence Blog<\/title>\n<meta name=\"description\" content=\"Proton Calendar no es compatible con CalDAV. A continuaci\u00f3n explicamos por qu\u00e9 no, qu\u00e9 hacer en su lugar y qu\u00e9 apps de calendario privadas admiten CalDAV en 2026 .\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfEs Proton Calendar compatible con CalDAV? | Mailfence Blog\" \/>\n<meta property=\"og:description\" content=\"\u00bfEs Proton Calendar compatible con CalDAV? | Mailfence Blog\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/\" \/>\n<meta property=\"og:site_name\" content=\"Mailfence Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mailfence\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-08T11:30:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-02T17:27:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"602\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Reik Wetzig\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mailfence\" \/>\n<meta name=\"twitter:site\" content=\"@mailfence\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Reik Wetzig\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/\"},\"author\":{\"name\":\"Reik Wetzig\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#\\\/schema\\\/person\\\/968d0099baddfef682c952fc106bd845\"},\"headline\":\"\u00bfEs Proton Calendar compatible con CalDAV?\",\"datePublished\":\"2026-05-08T11:30:46+00:00\",\"dateModified\":\"2026-06-02T17:27:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/\"},\"wordCount\":1438,\"publisher\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/proton-calendar-caldav-support-featured-image.png\",\"articleSection\":[\"Productividad\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/\",\"name\":\"\u00bfProton Calendar es compatible con CalDAV? = \u00a1No lo es! | Mailfence Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/proton-calendar-caldav-support-featured-image.png\",\"datePublished\":\"2026-05-08T11:30:46+00:00\",\"dateModified\":\"2026-06-02T17:27:32+00:00\",\"description\":\"Proton Calendar no es compatible con CalDAV. A continuaci\u00f3n explicamos por qu\u00e9 no, qu\u00e9 hacer en su lugar y qu\u00e9 apps de calendario privadas admiten CalDAV en 2026 .\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#primaryimage\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/proton-calendar-caldav-support-featured-image.png\",\"contentUrl\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/proton-calendar-caldav-support-featured-image.png\",\"width\":600,\"height\":602,\"caption\":\"Illustration of a calendar with a circular sync arrow icon on a blue gradient background with wave patterns, symbolizing CalDAV-based two-way calendar synchronization.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/es-compatible-el-calendario-de-proton-con-caldav\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Homepage\",\"item\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Productividad\",\"item\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/category\\\/productividad\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u00bfEs Proton Calendar compatible con CalDAV?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#website\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/\",\"name\":\"Mailfence Blog\",\"description\":\"Mailfence Blog. Get the latest news about secure email and Internet privacy.\",\"publisher\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#organization\",\"name\":\"Mailfence\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2022\\\/08\\\/Mailfence_logo_pict_and_word_BOUNDED_small.png\",\"contentUrl\":\"https:\\\/\\\/blog.mailfence.com\\\/wp-content\\\/uploads\\\/2022\\\/08\\\/Mailfence_logo_pict_and_word_BOUNDED_small.png\",\"width\":1812,\"height\":358,\"caption\":\"Mailfence\"},\"image\":{\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/mailfence\\\/\",\"https:\\\/\\\/x.com\\\/mailfence\",\"https:\\\/\\\/www.reddit.com\\\/r\\\/Mailfence\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/mailfence\",\"https:\\\/\\\/www.instagram.com\\\/mailfence_\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@mailfence\",\"https:\\\/\\\/en.wikipedia.org\\\/wiki\\\/Mailfence\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/#\\\/schema\\\/person\\\/968d0099baddfef682c952fc106bd845\",\"name\":\"Reik Wetzig\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g\",\"caption\":\"Reik Wetzig\"},\"description\":\"Reik Wetzig is Marketing Manager at Mailfence and an international content strategist with over 10 years of digital marketing experience focused on privacy and security services. He previously led global content initiatives as International Content Strategist at ExpressVPN and holds a B.A. in International Business and Marketing from HTW Berlin. Reik specialises in multilingual SEO, generative engine optimisation (GEO), and localisation for European digital markets, helping readers and customers understand secure email, encryption, and privacy\u2011first tools in clear, practical language.\",\"url\":\"https:\\\/\\\/blog.mailfence.com\\\/es\\\/author\\\/reik\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u00bfProton Calendar es compatible con CalDAV? = \u00a1No lo es! | Mailfence Blog","description":"Proton Calendar no es compatible con CalDAV. A continuaci\u00f3n explicamos por qu\u00e9 no, qu\u00e9 hacer en su lugar y qu\u00e9 apps de calendario privadas admiten CalDAV en 2026 .","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/","og_locale":"es_ES","og_type":"article","og_title":"\u00bfEs Proton Calendar compatible con CalDAV? | Mailfence Blog","og_description":"\u00bfEs Proton Calendar compatible con CalDAV? | Mailfence Blog","og_url":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/","og_site_name":"Mailfence Blog","article_publisher":"https:\/\/www.facebook.com\/mailfence\/","article_published_time":"2026-05-08T11:30:46+00:00","article_modified_time":"2026-06-02T17:27:32+00:00","og_image":[{"width":600,"height":602,"url":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png","type":"image\/png"}],"author":"Reik Wetzig","twitter_card":"summary_large_image","twitter_creator":"@mailfence","twitter_site":"@mailfence","twitter_misc":{"Escrito por":"Reik Wetzig","Tiempo de lectura":"7 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#article","isPartOf":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/"},"author":{"name":"Reik Wetzig","@id":"https:\/\/blog.mailfence.com\/es\/#\/schema\/person\/968d0099baddfef682c952fc106bd845"},"headline":"\u00bfEs Proton Calendar compatible con CalDAV?","datePublished":"2026-05-08T11:30:46+00:00","dateModified":"2026-06-02T17:27:32+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/"},"wordCount":1438,"publisher":{"@id":"https:\/\/blog.mailfence.com\/es\/#organization"},"image":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png","articleSection":["Productividad"],"inLanguage":"es"},{"@type":"WebPage","@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/","url":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/","name":"\u00bfProton Calendar es compatible con CalDAV? = \u00a1No lo es! | Mailfence Blog","isPartOf":{"@id":"https:\/\/blog.mailfence.com\/es\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#primaryimage"},"image":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png","datePublished":"2026-05-08T11:30:46+00:00","dateModified":"2026-06-02T17:27:32+00:00","description":"Proton Calendar no es compatible con CalDAV. A continuaci\u00f3n explicamos por qu\u00e9 no, qu\u00e9 hacer en su lugar y qu\u00e9 apps de calendario privadas admiten CalDAV en 2026 .","breadcrumb":{"@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#primaryimage","url":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png","contentUrl":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2026\/05\/proton-calendar-caldav-support-featured-image.png","width":600,"height":602,"caption":"Illustration of a calendar with a circular sync arrow icon on a blue gradient background with wave patterns, symbolizing CalDAV-based two-way calendar synchronization."},{"@type":"BreadcrumbList","@id":"https:\/\/blog.mailfence.com\/es\/es-compatible-el-calendario-de-proton-con-caldav\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Homepage","item":"https:\/\/blog.mailfence.com\/es\/"},{"@type":"ListItem","position":2,"name":"Productividad","item":"https:\/\/blog.mailfence.com\/es\/category\/productividad\/"},{"@type":"ListItem","position":3,"name":"\u00bfEs Proton Calendar compatible con CalDAV?"}]},{"@type":"WebSite","@id":"https:\/\/blog.mailfence.com\/es\/#website","url":"https:\/\/blog.mailfence.com\/es\/","name":"Mailfence Blog","description":"Mailfence Blog. Get the latest news about secure email and Internet privacy.","publisher":{"@id":"https:\/\/blog.mailfence.com\/es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.mailfence.com\/es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/blog.mailfence.com\/es\/#organization","name":"Mailfence","url":"https:\/\/blog.mailfence.com\/es\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/blog.mailfence.com\/es\/#\/schema\/logo\/image\/","url":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2022\/08\/Mailfence_logo_pict_and_word_BOUNDED_small.png","contentUrl":"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2022\/08\/Mailfence_logo_pict_and_word_BOUNDED_small.png","width":1812,"height":358,"caption":"Mailfence"},"image":{"@id":"https:\/\/blog.mailfence.com\/es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/mailfence\/","https:\/\/x.com\/mailfence","https:\/\/www.reddit.com\/r\/Mailfence\/","https:\/\/www.linkedin.com\/company\/mailfence","https:\/\/www.instagram.com\/mailfence_\/","https:\/\/www.youtube.com\/@mailfence","https:\/\/en.wikipedia.org\/wiki\/Mailfence"]},{"@type":"Person","@id":"https:\/\/blog.mailfence.com\/es\/#\/schema\/person\/968d0099baddfef682c952fc106bd845","name":"Reik Wetzig","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4ae7f1f2da7be28f021ce3625004262c28c65f5862184e3c7f6bc0768ea2e7e3?s=96&d=blank&r=g","caption":"Reik Wetzig"},"description":"Reik Wetzig is Marketing Manager at Mailfence and an international content strategist with over 10 years of digital marketing experience focused on privacy and security services. He previously led global content initiatives as International Content Strategist at ExpressVPN and holds a B.A. in International Business and Marketing from HTW Berlin. Reik specialises in multilingual SEO, generative engine optimisation (GEO), and localisation for European digital markets, helping readers and customers understand secure email, encryption, and privacy\u2011first tools in clear, practical language.","url":"https:\/\/blog.mailfence.com\/es\/author\/reik\/"}]}},"_links":{"self":[{"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/posts\/109937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/users\/48"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/comments?post=109937"}],"version-history":[{"count":7,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/posts\/109937\/revisions"}],"predecessor-version":[{"id":110442,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/posts\/109937\/revisions\/110442"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/media\/109920"}],"wp:attachment":[{"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/media?parent=109937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/categories?post=109937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mailfence.com\/es\/wp-json\/wp\/v2\/tags?post=109937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}