[Mailman-Users] Prerequesits for mailman and a mta

[Helmut Schneider]

From: "Mark Sapiro" <msapiro at value.net>

> Helmut Schneider wrote:
>>I'm not talking about inbout mails/requests, just outbound, mails
> generated  by mailman.
> Mailman uses the outgoing MTA defined in SMTPHOST (default =
> 'localhost'). By defining SMTPHOST and perhaps SMTPPORT in mm_cfg.py,
> you can use any outgoing MTA that you can connect to (a small patch to
> Mailman is required if the MTA requires authorization to forward mail).

Thanks, but I wonder why mailman does not send emails e.g. invitations. In 
mm_cfg.py I set:
DELIVERY_MODULE = 'SMTPDirect'
SMTPHOST = 'localhost'
SMTPPORT = 25

There are no errors at logs/error, there is a hosts and a resolv.conf. The 
logfile (of postfix) does not show a connection attempt.