Dnia 16.05.2021 o godz. 13:58:22 Bob Proulx pisze: > Chris Green wrote: > > I am trying to debug it by connecting directly to port 25 on localhost > > using telnet and composing mail that way. > > I highly recommend "swaks" the Swiss Army Knife SMTP, the all-purpose > SMTP transaction tester utility program for generating test emails > using SMTP transactions. For example:
Ubuntu desktop should have Thunderbird preinstalled. Why not just try to send mail using a regular mail client? -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub."