What is alert 8001?


A remote system or client has connected to GMS in order to send an email message. GMS Anti-Spam carried out a DNS based Black List check and discovered that the remote system is listed as one that should not be alllowed to send email to GMS. GMS has sent an error message to the remote server and shut down the connection.

In this case, session Undefined received a connection from the IP address Undefined and responded with the message


If you wish to receive email from this address, you will need to either

  • contact the owner of the remote system and ask them to remove themselves from the DNSBL list; or
  • switch of the DNSBL check.

See Also:

Keywords:DNSBL anti-spam AS Realtime Blackhole

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