[Dovecot] Mail does not arrive at my server.

[Jakob Curdes]

>> <snip>
>> 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.

Yours,
Jakob Curdes