[Twisted-Python] in case there's downtime

[Glyph Lefkowitz]

> On Mar 25, 2017, at 1:21 PM, Chris Norman <chris.norman2 at googlemail.com> wrote:
> 
> Hi,
> 
> What needs taking over on the mailing list side? I'd love to help out if possible.
> 

Hi Chris!

Thanks for volunteering.  If you'd like to help out with infrastructure _generally_, there's a channel on freenode, #twisted-admin, where you can show up to discuss what's going on.

As to mailing lists specifically; over a year ago now, I outlined a plan to migrate our mail infrastructure:

https://twistedmatrix.com/pipermail/twisted-python/2016-March/030189.html <https://twistedmatrix.com/pipermail/twisted-python/2016-March/030189.html>

Unfortunately, I never had nearly as much time to work on that as I'd thought I would; also, Mailgun is no longer a product of Rackspace; also, I no longer work at either Rackspace or Mailgun :).  There's also the issue that the service that https://github.com/twisted-infra/lists.twistedmatrix.com/ <https://github.com/twisted-infra/lists.twistedmatrix.com/> deploys to, Carina, is shutting down: https://getcarina.com <https://getcarina.com/>.  So we need to find a new place for it to migrate to if it's going to be a real thing.

However, the generous open-source discount that Mailgun offers to Twisted remains in place.

Originally, I'd been nervous about migrating twistedmatrix.com <http://twistedmatrix.com/> to Mailgun without having an alternate solution in place for mailing lists, because I didn't want to be blasting out any spam that we were generating via mailman and ruining our sender score there.  I was also under the impression that more of the domain-name configuration had to match up in Mailman than actually does; experiments during the latest OS upgrade indicate to me that it's a relatively small configuration change.

Disabling automatic subscriptions does seem to have mitigated that almost completely, and now we're on a recent enough OS that we'll get security updates for mailman, at least.  Plus, Mailgun will give me better visibility than I currently have if we are generating such bad messages.  As such I'll probably migrate our main mail delivery / forwarder pipeline to mailgun later today, allowing us to migrate individual addresses or lists to some other system rather than doing something all at once.

Users with @twistedmatrix.com email addresses will need to get an SMTP password token from me in order to be able to properly send outbound DKIM-signed messages.  I am pretty sure you all have alternate ways of reaching me :-).

If I manage to screw up mail routing so bad that you can't reach me via this mail address, by the way, and you need to report a problem after this move, you can send messages to mail-admin-315569 at glyph.im <mailto:mail-admin-315569 at glyph.im>.

-glyph

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