Plesk for Linux kb: technical
- Plesk for Linux
Email delivery to the mailbox on the Plesk server fails with the error below:
CONFIG_TEXT: said: 550 5.7.1 Command rejected (in reply to DATA command)
Reporting-MTA: dns; 203-0-113-2.example.com
The following messages can be found in
CONFIG_TEXT: greylisting filter: Remote host 203-0-113-2.example.com in black list
Greylisting is enabled on the server.
Sender hostname matches greylisting blacklist pattern.
Log into the server via SSH.
Whitelist sender domain using instructions from the article:
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