On Sat, May 07, 2022 at 01:52:41AM +0000, mike.junk...@att.net wrote: > Their setup page says to use port 465 but that causes their server to > disconnect immediately.
Sounds like a call to their tech support may be appropriate. > Using port 587 I get a lot further but it dies on > 'SMTP>> MAIL FROM:<> SIZE=3093 > <>: Sender address rejected: Access denied' Well, that's crystal clear. Fix your envelope sender address. You're not sending bounces, right? Then the envelope sender shouldn't be the empty string.
