- By:
- 1&1 Mail & Media GmbH
- Daily users:
- 22,284 166
- Rating:
- 3.06 (126)
- Version:
- 8.0.17 Last updated: 2024-12-05
- Version code:
- 5850587
- Creation date:
- 2012-05-21
- Risk:
- Very high risk impact Moderate risk likelihood
- Permissions:
- activeTab
- tabs
- storage
- management
- notifications
- contextMenus
- identity
- search
- https://*.web.de/*
- activeTab
- Size:
- 2.37MB
- URLs:
- Website
- Full description:
- See detailed description
- Source:
- Firefox Browser Add-ons
- Data ingested on:
- 2025-07-13
Ranking
# 483 ▲ 4
Other platforms
User reviews
Pros
- Allows immediate viewing of email counts for different addresses
- Generally works well for supported email accounts
- Simple and user-friendly for basic email notifications
Cons
- Does not support certain 1und1 domain endings like online.de, onlinehome.de, and e-mail.de, causing inconvenience
- Frequent false password change requirements due to VPN usage being flagged as suspicious by WEB.DE
- Compatibility issues with the latest Firefox versions, with some users experiencing 'unsupported browser' errors preventing access
- The add-on resets the default search engine to web.de without clear consent, raising privacy and legal concerns
- Adding multiple email accounts can fail without feedback, making management difficult
Recent reviews
by Fi*****, 2025-03-23
by 天灭*****, 2025-02-15
Muss andauernd mein Passwort ändern, weil Web.de VPNs nicht kennt und es anscheinend als verdächtige Aktivität aufnimmt, wenn man mit einem VPN ins Mailkonto geht...
Dem Support habe ich dieses Anliegen UMFASSEND geschildert und als Antwort kam sinngemäß "Wir können ihn leider nicht weiterhelfen"...
keine Worte...
by Li*****, 2024-11-22
Extension safety
Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk
impact extension cannot do much harms, whereas a high risk impact extension can do a lot of
damage like stealing your password, bypassing your security settings, and accessing your
personal data. High risk impact extensions are not necessarily malicious. However, if they
do turn malicious, they can be very harmful.
WEB.DE MailCheck for Firefox requires a lot of sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- Critical ******* ****** ** *** ********* ******** ********************
- High *** ****** ****** ********** ***** ***** ******** ******** ** ********* ****** ****** ******** *****
- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
- Medium ******* ***** *********** ***** ****** ********* *** ***** ********* **** **** ************** *** ********
- Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious.
This is determined by the publisher and the Firefox add-on reputation on
Firefox Browser Add-ons, the amount of time the Firefox add-on has been
around, and other signals about the
Firefox add-on. Our algorithms are not perfect, and are subject to change
as we discover new ways to detect malicious extensions. We recommend that you always
exercise caution when installing a Firefox add-on.
WEB.DE MailCheck for Firefox is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details
Compare add-ons
- Compare WEB.DE MailCheck for Firefox vs GMX MailCheck for Firefox
- Compare WEB.DE MailCheck for Firefox vs mail.com MailCheck
- Compare WEB.DE MailCheck for Firefox vs Email Notifier
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