GNUS

Posted Dec 10, 2024 8:18 UTC (Tue) by SiB (subscriber, #4048)
In reply to: Once upon a time in the past ... by zdzichu
Parent article: Debian opens a can of username worms

Emacs GNUS:
Address ‘😒@pipebreaker.pl’ (=?utf-8?Q?=F0=9F=98=92?=@pipebreaker.pl) might be bogus. Continue? (y or n) y
Sending...
Sending via mail...
message-send-mail-with-sendmail: Sending...failed to 2024-12-10 09:17:47 1tKvRD-000000003Sv-2FNl bad addresses found in headers;

Exim4

Posted Dec 10, 2024 8:27 UTC (Tue) by SiB (subscriber, #4048) [Link]

Correction: The error message came fom exim4:

=?utf-8?Q?=3C=F0=9F=98=92?=@pipebreaker.pl>: malformed address: >
may not follow =?utf-8?Q?=3C=F0=9F=98=92?=@pipebreaker.pl

Somehow, gnus was confused by the <> around the address. Without <>, exim4 did a graylisted delivery attempt.