How about making use of message-sent-hook, say? The actual message composition and sending is not technically handled by gnus but by message mode instead, IIUC.
-- Eric S Fraga via gnus (Emacs 29.0.50 2022-11-13) on Debian 11.4
- Multi frame setup: get frame autodeletion? Michael Heerdegen
- Re: Multi frame setup: get frame autodeletion? Björn Bidar
- Re: Multi frame setup: get frame autodeletion? Michael Heerdegen
- Re: Multi frame setup: get frame autodeleti... Björn Bidar
- Re: Multi frame setup: get frame autodeletion? Eric S Fraga
- Re: Multi frame setup: get frame autodeletion? Michael Heerdegen
