[Mailman-Users] mailman not respecting /etc/postfix/transport ???

Mark Sapiro mark at msapiro.net
Thu Sep 8 17:51:27 EDT 2016

On 09/08/2016 02:02 PM, Steve Wehr wrote:
> Here it is....
> /etc/postfix>postconf -n
> mydestination = hash:/etc/postfix/mydomains

What's in /etc/postfix/mydomains

> transport_maps = hash:/etc/postfix/transport

What's in /etc/postfix/transport

And what's in Mailman's Defaults.py/mm_cfg.py for SMTPPORT

Before answering the above try the following:

Assuming the Defaults.py settings are:

SMTPHOST = 'localhost'

and they aren't overridden in mm_cfg.py, try the following shell session
(postfix replies not shown)

$ telnet localhost 25
EHLO tunedinweb.com
MAIL FROM: <steve at tunedinweb.com>
RCPT TO: <steve at tunedinweb.com>

If that gives the error, try the same thing, but do

$ telnet 25

to start. If that works but 'localhost' gives the reject try adding
localhost to

mynetworks =,,

and if that doesn't solve it, add


to mm_cfg.py.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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