dmnelson, to sysadmin
@dmnelson@mastodon.social avatar

Our students are on Gmail. Staff are on-prem (for now.)

Barracuda adds an “external sender” warning to student mail, so I want to bypass it via an outbound gateway in Google. <https://support.google.com/a/answer/178333>

I can programmatically fetch Google’s netblocks from _spf.google.com

What's the best approach to keeping those up-to-date in Postfix or Sendmail list of permitted relay hosts?

I can kludge something together but wondering if anyone already did it and has a recommendation.

Xepher_X, to sysadmin
@Xepher_X@mastodon.social avatar

Email blacklists that still use Dynamic User and Host Lists (DUHL) should be smacked. Why no, I don't want to jump through hoops on your website made in 2002 to get off you blacklist, thank you.

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