Severity

A (alert)

Message text

Unknown %s (%s), rejecting

Description

The client connecting to the proxy has not correct reverse DNS entry. Such connections are rejected.

If the client is a legal MTA trying send you a legal message, please, contact client's domain administrator to correct the DNS entry.

If you want to allow such clients to access your proxy, specify the UNKNOWN-CLIENT configuration directive.

See also

smtp-proxy(5), logging(7)

Authors