How to trigger port rebuild for arm64

[Ryan Schmidt]

On Mar 9, 2021, at 23:49, Joshua Root wrote:

> Maintainers are supposed to get an email with a link to the build when ports fail, which makes it a lot easier, but for some reason that has never worked for some subset of maintainers on the current buildbot setup.

And now that we've added DNS restrictions to our email setup that's likely gotten worse. It will probably improve once I change buildbot to send via our SMTP server.