[Dovecot] Mail does not arrive at my server.

[Jeremy C. Reed]

> > > 1) the mails reach your server at all (check  your postfix logs)
> > > That is my problem, the mails do not get back to my server at all. the
> > > maillog file only shows me the ountgoing mails but nothing which indicates
> > > that a mail from outside is coming.
> > > The only mails I receive are from the linux system as such (background
> > > kobs finished, etc...)
> > > 
> Are you sure you have an MX record in the public DNS for your mailserver ? If
> not, outside mail will never reach you no matter what you configure on the
> server. It is not enough to have an open port 25 on yours server !
> Anyway, dovecot is innocent here.

If no MX, mail servers should fall back to the A record.