SMTP relayhost

[hede]

Am Sat, 8 Mar 2014 20:29:28 +0100 schrieb hede <kolab983 at der-he.de>:

> AFAIK in the default kolab configuration incoming mails via smtp (port 25) 
> are not allowed to have foreign addresses and login/auth is disabled. 

I had the following in mind:

smtpd_recipient_restrictions = ... reject_unauth_destination ...

I think with this even authorised users are not allowed to use postfix as a relay on port 25!?