> What do you mean end of data characters? > If you are talking about SMTP smuggling attack revealed on 2023/12, its > documented at: > > http://www.postfix.org/smtp-smuggling.html
Yes. I am talking about this. A receiving MTA server seems to reject mails from the postfix server on the basis that the "end of DATA part must be terminated with a <CRLF>.<CRLF>". Now I am unsure whether this is caused by postfix or the PHP-Mailer sending to the receiving MTA server via postfix. _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org