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<p>Ok, final update (I promise).</p>
<p>UCC mail domains are now all receiving mail via forwardemail.net
to mailfish, and sending out directly from mailfish.</p>
<p>Additionally, I've enabled SRS to make sure envelope senders
match the domain of the mail server (mailfish) that's sending all
our email. I'm not 100% whether it's necessary (and allegedly,
some providers are happier if you <i>don't</i> do it), but it is
the recommended behaviour when forwarding email. At the very
least, we need to have <i>some</i> awareness of SRS, because
forwardemail.net is doing it to all our received mail themselves.</p>
<p>As before, let me know if you spot anything unusual, or any
expected mail seems to be missing.</p>
<p>Cheers,</p>
<p>James [MPT]<br>
</p>
<div class="moz-cite-prefix">On 6/4/23 21:56, James Arcus wrote:<br>
</div>
<blockquote type="cite"
cite="mid:a6a73a22-51b7-7750-bfbb-000b77382500@ucc.asn.au">Hi all,
<br>
<br>
This project is now in full flight, with most UCC domains being
migrated to send outbound directly from mailfish.
<br>
<br>
We're still restricted on receiving mail in directly on port 25,
so for now I'm migrating our MX records to use forwardemail.net to
bring mail in on a TLS mail port. There's a little bit of hackery
involved to map domains between the ones used for forwarding
(delivery.ucc.*) vs. the real ucc.* domain, but it's working fine
as far as I can tell.
<br>
<br>
Please let me know if you have any trouble sending any mail, or
any mail you expect to receive doesn't show up or takes an
unexpectedly long amount of time to arrive.
<br>
<br>
Cheers,
<br>
<br>
James [MPT]
<br>
<br>
On 16/2/23 17:23, James Arcus wrote:
<br>
<blockquote type="cite">Hi all,
<br>
<br>
Just a quick update on the progress of preparing to migrate away
from the UWA IronPorts.
<br>
<br>
Following some further discussion with Daniel from UWA IT, and a
check of the firewall rules in place, we've decided that it will
be better for us to send mail outbound directly from UCC,
instead of paying for a commercial relay service.
<br>
<br>
I've asked for reverse DNS records to be added for the IPs we're
planning to use for our mail servers. Once that's complete, we
can begin testing and migrating away from using
`smtp.uwa.edu.au` as our mail relay host.
<br>
<br>
I'll let people know when we are ready to start, because we'll
need to keep an eye out for any increase in rejections or mail
being spam filtered.
<br>
<br>
Cheers,
<br>
<br>
James [MPT]
<br>
<br>
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