{"id":100876,"date":"2025-08-15T13:51:02","date_gmt":"2025-08-15T11:51:02","guid":{"rendered":"https:\/\/blog.mailfence.com\/mailfence-vs-fastmail-guide-de-comparaison-complet-2025\/"},"modified":"2025-11-04T21:16:17","modified_gmt":"2025-11-04T20:16:17","slug":"mailfence-vs-fastmail","status":"publish","type":"post","link":"https:\/\/blog.mailfence.com\/fr\/mailfence-vs-fastmail\/","title":{"rendered":"Mailfence vs Fastmail : guide de comparatif complet 2026"},"content":{"rendered":"\n<p>\u00c0 l\u2019\u00e8re du <a href=\"https:\/\/blog.mailfence.com\/fr\/gafam-menacent-nos-democraties\/\" target=\"_blank\" rel=\"noreferrer noopener\">capitalisme de surveillance<\/a> aliment\u00e9 par les Big Tech, la protection de vos donn\u00e9es personnelles n\u2019a jamais \u00e9t\u00e9 aussi cruciale. Choisir le bon fournisseur de messagerie implique de trouver l\u2019\u00e9quilibre id\u00e9al entre s\u00e9curit\u00e9, productivit\u00e9 et valeur, sans compromettre votre vie priv\u00e9e. Ce guide compare Mailfence et Fastmail sur tous les aspects essentiels pour vous aider \u00e0 d\u00e9terminer quelle solution r\u00e9pond le mieux \u00e0 vos besoins.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-propos-de-fastmail-et-mailfence\">\u00c0 propos de Fastmail et Mailfence<\/h2>\n\n\n\n<p><strong>Fastmail<\/strong> est un service de messagerie bas\u00e9 en Australie, fond\u00e9 en 1999. Il se distingue par son accent sur la productivit\u00e9 et la fluidit\u00e9 de l\u2019exp\u00e9rience utilisateur. Fastmail propose \u00e9galement des fonctionnalit\u00e9s de s\u00e9curit\u00e9 et de protection de la vie priv\u00e9e, mais ne fournit pas de chiffrement de bout en bout natif (nous y reviendrons plus loin).<\/p>\n\n\n\n<p><strong>Mailfence<\/strong>, bas\u00e9 en Belgique et fond\u00e9 en 1999, met l\u2019accent sur la <a href=\"https:\/\/blog.mailfence.com\/fr\/la-vie-privee-en-ligne-est-fondamentale\/\" target=\"_blank\" rel=\"noreferrer noopener\">confidentialit\u00e9 et la s\u00e9curit\u00e9 des utilisateurs<\/a>. Il propose des outils avanc\u00e9s comme le <a href=\"https:\/\/blog.mailfence.com\/fr\/cryptage-de-bout-en-bout\/\" target=\"_blank\" rel=\"noreferrer noopener\">chiffrement OpenPGP<\/a>, le <a href=\"https:\/\/blog.mailfence.com\/fr\/chiffrement-symetrique-emails-mot-de-passe\/\" target=\"_blank\" rel=\"noreferrer noopener\">chiffrement sym\u00e9trique par mot de passe<\/a> et les <a href=\"https:\/\/blog.mailfence.com\/fr\/securite-emails-signatures-numeriques\/\" target=\"_blank\" rel=\"noreferrer noopener\">signatures num\u00e9riques<\/a>.<\/p>\n\n\n\n<p>Les utilisateurs profitent \u00e9galement d&rsquo;une suite compl\u00e8te de type Office, incluant courrier \u00e9lectronique, contacts, calendrier et documents. Tous les services sont prot\u00e9g\u00e9s par les lois strictes belges sur la vie priv\u00e9e, et tout acc\u00e8s aux donn\u00e9es n\u00e9cessite une ordonnance judiciaire locale.<\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"100848\" class=\"elementor elementor-100848 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; Votre suite de productivit\u00e9 s\u00e9curis\u00e9e<\/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>Pr\u00e9servez votre confidentialit\u00e9<\/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>Messages<\/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>Calendriers<\/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>Documents<\/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>Groupes<\/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\/fr\/#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\">Obtenez Mailfence gratuitement<\/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<h2 class=\"wp-block-heading\" id=\"h-tableau-comparatif-des-offres-tarifaires\">Tableau comparatif des offres tarifaires<\/h2>\n\n\n\n<p>Mailfence offre un niveau gratuit permanent avec 1\u202fGo de stockage, parfait pour les utilisateurs occasionnels ou pour tester la plateforme avant de s\u2019engager. si vous souhaitez davantage d\u2019espace ou de fonctionnalit\u00e9s, il est facile de passer \u00e0 un plan premium adapt\u00e9 \u00e0 vos besoins.<\/p>\n\n\n\n<p><strong>En revanche, contrairement \u00e0 la plupart des fournisseurs de messagerie, Fastmail ne propose aucune offre gratuite.<\/strong><\/p>\n\n\n\n<p>\u00c0 la place, Fastmail propose un essai gratuit de 30\u202fjours, ce qui peut ne pas suffire pour migrer compl\u00e8tement, explorer et \u00e9valuer un service de messagerie avec des flux de travail sur le long terme. les utilisateurs doivent s\u2019abonner une fois l\u2019essai termin\u00e9 pour conserver l\u2019acc\u00e8s, m\u00eame s\u2019ils sont encore en phase de test.<\/p>\n\n\n\n<p><strong>Voici un aper\u00e7u plus d\u00e9taill\u00e9 des diff\u00e9rentes offres et du nombre d&rsquo;utilisateurs autoris\u00e9s pour chacune d&rsquo;entre elles :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Offre Mailfence<\/th><th>Mailfence (# utilisateurs)<\/th><th>Offre Fastmail<\/th><th>Fastmail (# utilisateurs)<\/th><\/tr><\/thead><tbody><tr><td>Gratuit (0 \u20ac\/mois)<\/td><td>1<\/td><td>Essai de 30 jours (0\u20ac\/mois)<\/td><td>1<\/td><\/tr><tr><td>Base (2,5 \u20ac\/mois)<\/td><td>1<\/td><td>Basic (3 \u20ac\/mois)<\/td><td>par utilisateur<\/td><\/tr><tr><td>Entry (3,5 \u20ac\/mois)<\/td><td>3<em><em> (+ 2 utilisateurs payants suppl\u00e9mentaires, en option)<\/em>*<\/em><\/td><td>Standard (5 \u20ac\/mois)<\/td><td>par utilisateur<\/td><\/tr><tr><td>Pro (9,5 \u20ac\/mois)<\/td><td>11<em><em> (+ 190 utilisateurs payants suppl\u00e9mentaires, en option)<\/em>*<\/em><\/td><td>Individual (5 \u20ac\/mois)<\/td><td>1<\/td><\/tr><tr><td>Ultra (29 \u20ac\/mois)<\/td><td>11<em><em> (+990 utilisateurs payants suppl\u00e9mentaires, en option)<\/em>*<\/em><\/td><td>Duo (8 \u20ac\/mois)<\/td><td>2<\/td><\/tr><tr><td>\/<\/td><td>\/<\/td><td>Professional (9 \u20ac\/mois)<\/td><td>par utilisateur<\/td><\/tr><tr><td>\/<\/td><td>\/<\/td><td>Family (11 \u20ac\/mois)<\/td><td>6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*<em>Les utilisateurs payants sont des utilisateurs suppl\u00e9mentaires qu\u2019un administrateur peut g\u00e9rer, chacun disposant de son propre abonnement (Base\/Entry\/Pro\/Ultra).<\/em><\/p>\n\n\n\n<p>Sur ce point, Mailfence est particuli\u00e8rement adapt\u00e9 aux familles et aux petites structures, bien plus que Fastmail. Voici quelques exemples concrets\u202f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Un couple :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mailfence : un seul abonnement <em>Entry<\/em> \u00e0 3,50 \u20ac\/mois suffit.<\/li>\n\n\n\n<li>Fastmail : il faut souscrire un abonnement <em>Duo<\/em> \u00e0 8 \u20ac\/mois.<br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Une famille compos\u00e9e de deux parents et d&rsquo;un enfant :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mailfence : un seul abonnement <em>Entry<\/em> \u00e0 3,50 \u20ac\/mois suffit<\/li>\n\n\n\n<li>Fastmail : un abonnement <em>Family<\/em> \u00e0 11 \u20ac\/mois est n\u00e9cessaire.<br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Une entreprise de 10 collaborateurs :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mailfence : un seul abonnement <em>Pro<\/em> \u00e0 9,50 \u20ac\/mois couvre tous les besoins.<\/li>\n\n\n\n<li>Fastmail : il faut au minimum 10 abonnements <em>Basic<\/em>, soit un total de 30 \u20ac\/mois.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Mailfence n\u2019est pas seulement plus abordable : sa tarification \u00e9volutive s\u2019adapte beaucoup mieux aux besoins r\u00e9els des utilisateurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mailfence-vs-fastmail-comparatif-des-fonctionnalites\">Mailfence vs Fastmail : comparatif des fonctionnalit\u00e9s<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-chiffrement\">Chiffrement<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mailfence<\/strong> int\u00e8gre le <a href=\"https:\/\/blog.mailfence.com\/fr\/cryptage-de-bout-en-bout\/\" target=\"_blank\" rel=\"noreferrer noopener\">standard complet OpenPGP<\/a>. Vous pouvez g\u00e9n\u00e9rer et g\u00e9rer vos cl\u00e9s dans un trousseau int\u00e9gr\u00e9, <a href=\"https:\/\/blog.mailfence.com\/fr\/securite-emails-signatures-numeriques\/\" target=\"_blank\" rel=\"noreferrer noopener\">signer vos messages<\/a>, chiffrer vos \u00e9changes et m\u00eame administrer plusieurs cl\u00e9s en toute transparence. Mailfence propose \u00e9galement l\u2019option des <a href=\"https:\/\/blog.mailfence.com\/fr\/chiffrement-symetrique-emails-mot-de-passe\/\" target=\"_blank\" rel=\"noreferrer noopener\">e-mails prot\u00e9g\u00e9s par mot de passe<\/a>.<br><\/li>\n\n\n\n<li><strong>Fastmail<\/strong>, en revanche, <a href=\"https:\/\/www.fastmail.com\/features\/security\/\" target=\"_blank\" rel=\"noreferrer noopener\">ne propose pas de chiffrement de bout en bout<\/a>. Les utilisateurs doivent se tourner vers des outils tiers comme des plugins PGP. Fastmail n\u2019offre pas non plus d\u2019option d\u2019e-mails prot\u00e9g\u00e9s par mot de passe.<\/li>\n<\/ul>\n\n\n\n<p>Pour tous ceux qui placent la confidentialit\u00e9 et la s\u00e9curit\u00e9 au premier plan, Mailfence s\u2019impose naturellement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-outils-de-collaboration\">Outils de collaboration<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mailfence<\/strong> propose une suite compl\u00e8te : <a href=\"https:\/\/blog.mailfence.com\/fr\/calendrier-application-mobile\/\" target=\"_blank\" rel=\"noreferrer noopener\">calendriers partag\u00e9s<\/a>, <a href=\"https:\/\/blog.mailfence.com\/fr\/introduction-des-contacts-dans-lapplication-mobile-mailfence\/\" target=\"_blank\" rel=\"noreferrer noopener\">gestion des contacts<\/a>, <a href=\"https:\/\/blog.mailfence.com\/fr\/presentation-des-documents-dans-lapplication-mobile-mailfence\/\" target=\"_blank\" rel=\"noreferrer noopener\">stockage cloud<\/a> (compatible WebDAV), bo\u00eetes de r\u00e9ception partag\u00e9es\u2026 Des fonctionnalit\u00e9s pens\u00e9es pour faciliter les flux de travail en \u00e9quipe et la collaboration en temps r\u00e9el.<br><\/li>\n\n\n\n<li><strong>Fastmail<\/strong> offre bien l\u2019e-mail, un calendrier et un gestionnaire de contacts, mais ne dispose pas de solution de stockage cloud. Il permet de partager des dossiers de messagerie entre utilisateurs, mais pas la bo\u00eete de r\u00e9ception enti\u00e8re.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparaison-des-courriels\">Comparaison des courriels<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Mailfence<\/strong><\/th><th><strong>Fastmail<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Alias<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Chiffrement e-mails par mot de passe<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Cryptage des courriels OpenPGP<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Signatures num\u00e9riques OpenPGP<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Domaines personnalis\u00e9s<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Bo\u00eetes de r\u00e9ception partag\u00e9es<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Renvoi des courriels<\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparaison-des-calendriers\">Comparaison des calendriers<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Mailfence<\/strong><\/th><th><strong>Fastmail<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Calendrier du groupe<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Support CalDAV<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>\u00c9tiquettes de l&rsquo;\u00e9v\u00e9nement<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Acc\u00e8s public au calendrier<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Rappels de calendrier par SMS<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Sondages (de type Doodle)<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Notifications push<\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparaison-du-stockage-cloud\">Comparaison du stockage cloud<\/h4>\n\n\n\n<p>Fastmail n\u2019int\u00e8gre pas de solution de stockage cloud. En revanche, voici un aper\u00e7u des fonctionnalit\u00e9s Mailfence :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Mailfence<\/strong><\/th><th><strong>Fastmail<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Documents du groupe<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Acc\u00e8s WebDAV<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Partage de liens de fichiers<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Partage public<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Client WebDAV\/SMB<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Tags<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparaison-des-contacts\">Comparaison des contacts<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Mailfence<\/strong><\/th><th><strong>Fastmail<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Carnet d&rsquo;adresses du groupe<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Synchronisation CardDAV<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td>Tags<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td>Commentaires<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-interoperabilite\">Interop\u00e9rabilit\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mailfence<\/strong> mise pleinement sur les standards ouverts : <strong>OpenPGP<\/strong>, <strong>IMAP\/JMAP<\/strong>, <strong>POP<\/strong>, <strong>SMTP<\/strong>, <strong>CalDAV<\/strong>, <strong>CardDAV<\/strong> et <strong>WebDAV<\/strong>, le tout int\u00e9gr\u00e9 nativement, sans passerelles interm\u00e9diaires.<br><\/li>\n\n\n\n<li><strong>Fastmail<\/strong> de son c\u00f4t\u00e9 prend \u00e9galement en charge <strong>IMAP<\/strong>, <strong>POP<\/strong>, <strong>SMTP<\/strong> et <strong>JMAP<\/strong>, avec <strong>synchronisation des calendriers et contacts<\/strong> via CalDAV et CardDAV. En revanche, il n\u2019int\u00e8gre pas l\u2019OpenPGP et n\u2019h\u00e9berge pas de documents, m\u00eame s\u2019il s\u2019interconnecte bien avec la plupart des clients de messagerie.<\/li>\n<\/ul>\n\n\n\n<p>Hormis l\u2019absence d\u2019OpenPGP natif chez Fastmail, les deux services partagent un m\u00eame engagement fort en faveur des standards ouverts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mailfence-vs-fastmail-le-bilan\">Mailfence vs Fastmail : le bilan<\/h2>\n\n\n\n<p>Mailfence se distingue par son engagement fort en faveur de la confidentialit\u00e9 et des standards ouverts. Il propose un v\u00e9ritable chiffrement de bout en bout, des signatures num\u00e9riques, une suite collaborative compl\u00e8te et b\u00e9n\u00e9ficie de solides protections juridiques gr\u00e2ce \u00e0 la l\u00e9gislation belge.<\/p>\n\n\n\n<p>Fastmail, fid\u00e8le \u00e0 son nom, mise avant tout sur une exp\u00e9rience rapide, fluide et agr\u00e9able de la messagerie. En revanche, il ne propose pas de chiffrement int\u00e9gr\u00e9 de bout en bout ni certains outils collaboratifs. Pour les utilisateurs qui privil\u00e9gient la simplicit\u00e9 et la rapidit\u00e9 d\u2019usage \u00e0 la protection avanc\u00e9e des donn\u00e9es, Fastmail peut \u00eatre un choix pertinent.<\/p>\n\n\n\n<p><strong><em>Cr\u00e9ez <a href=\"https:\/\/mailfence.com\/fr\/#pricing\" target=\"_blank\" rel=\"noreferrer noopener\">votre compte gratuit d\u00e8s aujourd&rsquo;hui<\/a> et pr\u00e9servez votre confidentialit\u00e9 en ligne !<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c0 l\u2019\u00e8re du capitalisme de surveillance aliment\u00e9 par les Big Tech, la protection de vos donn\u00e9es personnelles n\u2019a jamais \u00e9t\u00e9 aussi cruciale. Choisir le bon fournisseur de messagerie implique de trouver l\u2019\u00e9quilibre id\u00e9al entre s\u00e9curit\u00e9, productivit\u00e9 et valeur, sans compromettre votre vie priv\u00e9e. Ce guide compare Mailfence et Fastmail sur tous les aspects essentiels pour [&hellip;]<\/p>\n","protected":false},"author":43,"featured_media":100717,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18589,27],"tags":[],"class_list":["post-100876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-confidentialite","category-securite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mailfence vs Fastmail : guide de comparatif complet (2026)<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez notre comparatif Mailfence vs Fastmail : s\u00e9curit\u00e9, confidentialit\u00e9, productivit\u00e9\u2026 lequel choisir pour votre messagerie ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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