On Tue, 2023-12-19 at 10:01 +0100, Arend Van Spriel wrote: > > > > > When sending an email to SHA-cyfmac-dev-list@xxxxxxxxxxxx, the server > > > responds '550 #5.1.0 Address rejected.' > > Is the claim here true? In another thread I replied all including this list > and I am not getting a bounce message. I also got the bounce, FWIW. And Lukas is using gmail ... if you're not accepting mail from gmail I'm not sure you get to call it "email" in the 21st century, for (better or) worse... johannes