- Plesk for Linux
- QMail SMTP server and Dovecot IMAP/POP server are installed.
- Webmail Sieve forwardings are working correctly to non @gmail accounts
- Sieve forwarding is rejected if mails are sent to @gmail accounts
CONFIG_TEXT: qmail: delivery 636: failure: Connected_to_203.0.113.2_but_sender_was_rejected./Remote_host_said:_555_5.5.2_Syntax_error._36si4114wrh.452_-_gsmtp/
- Following log entries can be found in
CONFIG_TEXT: qmail-queue-handlers: Handlers Filter before-queue for qmail started ...
It's known bug: PPPM-8075 that will be fixed in upcoming Plesk versions.
As a workaround, please consider to move from QMail to Postfix until the bug is solved: How to define which MTA is used in Plesk and how to switch from QMail to Postfix and back