Hey i hav the following problem.
When is sent a mail to my mail server i get a mail back from postmaster with a Diagnostic code: smtp;550 5.1.1
But sending mails from roundcube works fine and without problems.
What might i have done wrong?![Angel]( "Angel")
I have CentOS 6.7 and the newest sentora 1.0.3
When is sent a mail to my mail server i get a mail back from postmaster with a Diagnostic code: smtp;550 5.1.1
But sending mails from roundcube works fine and without problems.
What might i have done wrong?
I have CentOS 6.7 and the newest sentora 1.0.3