--On 29 November 2009 21:07:28 -0500 Barry Warsaw <ba...@python.org> wrote:

On Nov 29, 2009, at 8:55 PM, Stephen J. Turnbull wrote:

I still don't think it's a good idea until we've checked that most
popular OS distros supply all their MTAs configured to accept on port
587, and we had better have a bullet-proof autoconfigurator for it.
MTA issues are the biggest FAQ that we don't have a good canned answer
for, and this is not going to make them fewer without a lot of
"cooperation" from MTA packagers.

That would be good to know.  Maybe someone would like to contribute a
script that did a bit of probing and spit out a sample configuration file?

Autoconfiguration shouldn't be too hard. Mailman has to be configured with a hostname. There are three options for the port:

custom configuration
587
25

Mailman can test the connectivity of each in turn, on the first message that it sends. Cache the port number on success. This should be run-time autoconfiguration, not install time autoconfiguration. That way, the configuration can cope with a change of host name. If a port becomes unavailable, then alternate ports could be tested...

Other mail clients do this, including Apple Mail and MS Outlook, when configuring new accounts.

Am I right in thinking that all the mail is typically routed through a local MTA?

On this family-oriented channel, I think it is best not to describe
the pain this will cause cPanel and Plesk clients.

IWBNI those folks would engage with us early (or, hmm, at all?) so that
we could at least understand their requirements.

-Barry




--
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
For new support requests, see http://www.sussex.ac.uk/its/help/
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