What is alert 8111?

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Answer

GMS has returned an error to a remote server’s EXPN command because the command was not formed correctly.

In this case, session Undefined is processing a connection from Undefined. The remote server gave the SMTP command

 Undefined 

GMS rejected the command with

502 Syntax error, missing space.

This problem will not cause GMS any problems. This problem is most likely to be caused by someone who is attacking your system in an attempt to find a weakness. If you wish to find out more, you will need to contact the owner of the remote system.

See Also:

Keywords:EXPN syntax error attack 8111

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