If you use the mail.com Mail app and/or mail.com
MailCheck or access your mail via POP3/IMAP, you need to log in again once. In addition,
the use of POP3/IMAP requires (re)activating access in the email settings. For more
information, please see Activate or deactivate POP3 and IMAP.
You will need the latest version of the mail.com Mail app for
two-factor authentication. For more information, please visit mail.com Mail App Versions.