GMS connected to a remote system and started to send a bulk email message (that is, one from GMS List Server or GMS Communication Server). When GMS said who the message was to, the remote server indicated that it will never accept email from the sender (with a 5xx SMTP response). So GMS will stop sending email to the server and mark the address as undeliverable in the list’s database. Once this email has been returned, GMS will continue to send any other email that is waiting for this destination.
In this case, session Undefined was was processing a message to be delivered to the server Undefined (IP address Undefined). The local folder name is Undefined. GMS sent the RCPT command and got the response
There is no problem with GMS, so no action is required by you. However, you may wish to investigate the problem with the remote server.
- How do I contact the owner of a remote server?
- How do alerts work?
- What is the SMTP RCPT clause?
- What is SMTP Response Code Theory?
Keywords:failed POST RCPT 8367