The safe way to access your personal mail.

Latest Version

Version

8.0.6

Update

July 19, 2024

Size

2.2MiB

Developer

GMX.com MailCheck Extension

With the GMX.com MailCheck extension, you only need to log in once with your GMX.com-credentials in order to gain quick and simplified access to your inbox. From then on, you merely click on the envelope icon in your browser for instant access to all of your emails (e.g. gmx.com, mail.com, Outlook Live). No more searching for your email provider in a search engine then directing toward the sign-in page, and finally entering your login details—skip all of this with easy one-click login with MailCheck from GMX.com.

Enable optionally the mail preview panel in MailCheck.
Delete unread mails directly from your inbox.
Access your inbox for writing new mails.

Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "__MSG_appName__", "short_name": "__MSG_appShortName__", "description": "__MSG_appDescription__", "version": "8.0.5.0", "author": "__MSG_appAuthor__", "icons": { "16": "images/icon16.png", "48": "images/icon48.png", "128": "images/icon128.png" }, "background": { "service_worker": "js/background-mailcheck.js" }, "action": { "default_icon": { "19": "images/envelope-19.png", "38": "images/envelope-38.png" }, "default_title": "__MSG_browserActionTitle__" }, "content_scripts": [ { "js": [ "js/identify-to-site-cs.js" ], "run_at": "document_start", "matches": [ "https://*.web.de/*", "https://*.gmx.net/*", "https://*.gmx.de/*", "https://*.gmx.ch/*", "https://*.gmx.at/*", "https://*.gmx.com/*", "https://*.mail.com/*", "https://*.1und1.de/*", "https://*.1and1.com/*" ] }, { "js": [ "js/aib-cs.js" ], "run_at": "document_idle", "exclude_globs": [ "*/login/*" ], "matches": [ "https://*.gmx.com/*" ] }, { "js": [ "js/aib-main-cs.js" ], "world": "MAIN", "run_at": "document_idle", "exclude_globs": [ "*/login/*" ], "matches": [ "https://*.gmx.com/*" ] }, { "js": [ "js/portal-page-badge-cs.js" ], "run_at": "document_end", "all_frames": true, "matches": [ "https://search.gmx.com/*" ] }, { "js": [ "js/webapp-start-proxy-cs.js" ], "run_at": "document_end", "matches": [ "https://dl.web.de/backend/post.html", "https://dl.gmx.net/backend/post.html", "https://dl.gmx.com/backend/post.html", "https://dl.mail.com/backend/post.html", "https://dl.1und1.de/backend/post.html" ] }, { "js": [ "js/backtab-ads-cs.js" ], "run_at": "document_end", "all_frames": true, "matches": [ "https://www.adsensecustomsearchads.com/afs/ads?*", "https://www.adsensecustomsearchads.com/afs/ads/*" ] }, { "js": [ "js/brand-oauth2-cs.js" ], "run_at": "document_end", "all_frames": true, "matches": [ "https://1und1.de/login/oauth2/*", "https://www.1und1.de/login/oauth2/*", "https://gmx.net/login/oauth2/*", "https://www.gmx.net/login/oauth2/*", "https://gmx.com/login/oauth2/*", "https://www.gmx.com/login/oauth2/*", "https://mail.com/login/oauth2/*", "https://www.mail.com/login/oauth2/*", "https://web.de/login/oauth2/*", "https://www.web.de/login/oauth2/*" ], "include_globs": [ "*code=*" ] }, { "js": [ "js/microsoft-web-auth-cs.js" ], "run_at": "document_end", "matches": [ "https://login.live.com/*" ], "include_globs": [ "*/oauth20_desktop*code=*", "*/oauth20_desktop*error=*" ] } ], "default_locale": "en", "manifest_version": 3, "version_name": "8.0.6", "permissions": [ "activeTab", "alarms", "tabs", "scripting", "storage", "notifications", "offscreen", "contextMenus", "identity" ], "host_permissions": [ "https://*.gmx.com/*", "https://*.web.de/*", "https://*.1und1.de/*", "https://*.uilogin.de/*", "https://*.mail.com/*", "https://accounts.google.com/*", "https://www.googleapis.com/*", "https://mail.google.com/*", "https://*.live.com/*", "*://localhost/*" ], "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA181m3crvKmI3NLvsFn9Qp3BoAa/lfGre6IFio/N+X7ftOIhR0URqbU2/MqsPVwKiGGmIRLDGp6ECKauZ3OQZ07UErmy1aw6i8xzXIzfTLrOGu/FtLSNx+ueajokYK4RWVNqy/PHc2i/xlAIawNjC7ZbzgqaHVVS0lR4l7TVM3uUcskyq3cTEreMCEaU07LE64dPekS9sIj/8fpWcLPhtBauI2lKykWa7eLQiv+tJ/RxPROuJo27IN7NPLGq/k3m9CxVK+IMPS7kWhHr2uePaFPDX42LGWiUvra6j2JyV0AcjbUtkUmhMKCgYb0j8GolJa3XFlIV/sp+GtuSPbgSOUQIDAQAB"}

Download CRX(2.2MiB)

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User reviews

Christopher F (ID: 0000008f5dbb7d20) Voted 5 ★ - Updated 08/25/2023 Extension Works great. Gmx service is 7.5/8 out of 10. It does the job as an alternative to Gmail. I'm tired of low cloud storage and handing over my data to big tech who is irresponsible with it much less hoarders of it. There's some con's such of the service itself such as some emails are delayed or do not go through easily to some rare-use domains... etc. I love the extension how it will bypass the login using SSO. Thanks.

Daniel Guillén (ID: 000000a34673af13) Voted 5 ★ - Updated 03/21/2023 Funciona excelente. Me mantiene al tanto de los correos nuevos para no perderme de nada.

TE5LA (ID: 000000fb7e2ec45c) Voted 5 ★ - Updated 02/26/2023 Actually works, unlike the extension named "GMX Mail Checker", which is basically just a bookmark to your GMX account. This one actually indicates if you have new mail and logs you in when you click it. These are good features for a "mail checker" program.

̣ (ID: 000000eea274d658) Voted 5 ★ - Updated 02/22/2023 Pretti nice! I've been using it for a few years now! I'm glad I switched to this particular email provider!

Fouad España (ID: 0000009e3e5b5c75) Voted 5 ★ - Updated 01/24/2023 ¡Gracias por tu dedicación! - ♛GMX♛

Get source code (.Zip)

Drop .crx file here or click
the button to choose the file

GMX.com MailCheck