[Mailman-Developers] Mailman and Submission port

[Patrick Ben Koetter]

* Barry Warsaw <barry at python.org>:
> On Nov 29, 2009, at 4:30 AM, Patrick Ben Koetter wrote:
> 
> >What would we have to do, to make port 587 the default port? In
> >section 4 the
> >RFC says, a MSA MUST do all of the following:
> >
> >1. General Submission Rejection Code
> >2. Ensure All Domains Are Fully-Qualified
> >3. Require Authentication
> >
> >To cut it short: 1. and 2. are trivial (at least in Postfix and I don't
> >know the others MTAs well enough to tell for them too). 3. requires to add
> >SMTP AUTH functionality to Mailman's SMTP client.
> >
> >How should we implement SMTP AUTH in the MM SMTP client?
> >
> >I propose for a start plaintext (PLAIN, LOGIN) and shared-secret mechanisms
> >(CRAM-MD5, DIGEST-MD5) should be added to the SMTP client. Those are the
> >ones used most widely in every day SMTP AUTH.
> >
> >Later implementations could add GSSAPI and EXTERNAL. If plaintext
> >mechanisms are added we should also consider to add STARTTLS functionality
> >to MM's SMTP client to shield credentials while they are sent in a
> >plaintext authentication session.
> 
> Should we decide to do this, changing the port number is easy.
> There's already a configuration variable for this (currently set of
> course to 25).
> 
> As for implementing SMTP AUTH, we are limited by what Python's
> smtplib supports.  From a cursory inspection of the module in Python
> 2.6, it looks like it supports PLAIN, LOGIN, and CRAM-MD5.  That may
> mean that the only thing we need to add to Mailman is plumbing for
> setting the user name and password in the config file.

Sounds like a thing rather easily done.

> Please open a bug on the Mailman project in Launchpad for this.

done.
<https://bugs.launchpad.net/mailman/+bug/490044>

p at rick


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