exim

No Such User Here

Message not sent. Requested action not taken: mailbox unavailable Server replied: 550 Verification failed for <user@domain.com> No Such User [...]

Connection rejected: SPAM source domain.com is manually blacklisted.

Requested action not taken: mailbox unavailable Server replied: 550 Verification failed for <user@domain.com> Connection rejected: SPAM source [...]

The mail server could not deliver mail to user@domain.com. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries.

Message not sent. Requested action not taken: mailbox unavailable Server replied: 550 Verification failed for <user@domain.com> The mail server could [...]

Could not complete sender verify callout

2016-02-11 09:33:49 H=external.mailserver.com [86.75.30.9]:54245 X=TLSv1:DHE-RSA-AES256-SHA:256 CV=no F=<root@host.domain.com> temporarily rejected RCPT [...]

Can’t log in to email on cpanel server

Had this error in the /var/log/maillog: Jun 23 10:30:54 host authdaemond: Cpanel::MailAuth: Mail user 'username@domain.com' is suspended. It makes it sound [...]

Connection rejected: SPAM source domain.com is manually blacklisted

Requested action not taken: mailbox unavailable Server replied: 550 Verification failed for <test@domain.com> Connection rejected: SPAM source [...]