I am running mailman3 in google's cloud. I have a google workspace account with a single authorized user. ($8/month) I use those account credentials and have mailman3 using google's smtp servers as the outbound relay. Works OK. There are still some members of my organization who don't receive list emails, for reasons I've never been able to debug.
On Sun, Sep 28, 2025 at 7:43 AM <tom@tomsmyth.ca> wrote:
Reviving this old thread...
Are folks still using Google Workspace or Sendgrid for Mailman?
For Sendgrid, don't all sending addresses have to be verified? How do you get around that? Surely you don't have all list members go through the verification process?
Does Google not have this restriction?
Or am I missing something about how this works? Are people just having all list emails come from the list email address and using the Reply To header or something?
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