An invalid response was received from the SMTP server. (communication processing = aa....aa, response = bb....bb)

aa....aa: Character string indicating communication processing
bb....bb: Response from server

Description

An invalid response other than RFC specifications was received from the SMTP server.

Only the first row of response is output for the response received from the server. However, if no response exists, an empty string is displayed.

For details on contents output to aa....aa and corresponding communication processing, see 7.8(1) For the SMTP and SMTPS related messages.

Action

Take actions according to the log and trace information.