Download of mail.com MailCheck for Mozilla Firefox 3.0.4 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the program are 3.0 and 2.1.
We recommend checking the downloaded files with any free antivirus. This free PC program can be installed on Windows XP/Vista/7/8/10/11 environment, 32-bit version. This free software is a product of 1&1 Mail & Media GmbH. The program lies within Internet & Network Tools, more precisely Browser plugins.
From the developer:
MailCheck plugin notifies you of incoming email in your browser and allows you to check your email with a single click. You only need to login to your account once, and the plugin remembers your password. It is shown as a small icon in the Firefox window, which also displays the number of new emails in your mail.com inbox.
You may want to check out more software, such as mail.com MailCheck for Internet Explorer, Utilu Mozilla Firefox Collection or Firefox ESR, which might be similar to mail.com MailCheck for Mozilla Firefox.