- Plesk Onyx for Linux
- Plesk Obsidian for Linux
- Unable to receive/send mail messages. The following can be found on
CONFIG_TEXT: plesk amavis: (!)DENIED ACCESS from IP 203.0.113.2, policy bank ''
plesk postfix/smtp: 883A08902100: firstname.lastname@example.org, relay=127.0.0.1[127.0.0.1]:10024, delay=1004, delays=1004/0.11/0/0, dsn=4.4.2, status=deferred (lost connection with 127.0.0.1[127.0.0.1] while receiving the initial server greeting)
The Plesk Email Security extension is installed.
Tools & Settings > Spam Filter Settings > Server-wide Greylisting is not enabled.
Bug in the Plesk Email Security extension #EXTCERT-2813, which will be fixed in future product updates.
As a workaround add the Plesk public IP to