Hey can anyone assist with this error? I know it has something to do with my email server but I'm not sure where to start. The server is on my home network which is dsl & linksys. Any help is appreciated. .net 007: This e-mail message was undeliverable due to the following reason: .net 018: Each of the following recipients were rejected by a destination mail system. Note: The reasons given by the destination mail system are included to help you determine why each recipient was rejected. Solution: Attempt to resend, or contact the recipient by alternate means to let them know about the issue. Recipient: <marvc@xxxxxxxxxxx> Reason: 5.7.1 Unable to relay for marvc@xxxxxxxxxxx