On 11/9/23 22:13, Marco M. wrote:
problem mail is in Sent folder in Thunderbird(tb), it means that tb has sent it successfullyThe MX MTA of the debian-users mailing list shouldn't accept an email that is too larger and should reject it with a proper 5xx message, so you know what happened.
or you send list mail with attachment bigger than 1.3M to see what will happen
my attached file is about 1.2M