Rejected: User unknown in virtual mailbox table
(#5.7.17) (in reply to RCPT TO command)ĭiagnostic-Code: smtp 550 : Recipient address Some of the error messages I am getting in the NDRs are:ĥ50 sorry, no mailbox here by that name. I cant do this as it would have to be schedule and risk assessed. This would require a restart after I add the Internet domain name in Primary DNS suffix of computer. I found this article on the resolving the FQDN. Some of the things that I have looked at as a solution are checking the IP of our server for mail server blacklisting at That came back clean.Īlso I have looked at the FQDN, this is just set to the name of the computer and the only domain in IIS is the default one which is named the same. Out of the 600 emails sent 120 came back as undelivered.
#Verio smtp settings code#
The code still works and has been used for years, so I´m sure its a config issue.
One of our clients sent out an emailing promotion that sends out multiple emails, in a loop in code, so theres just one To address. It has all worked fine til just recently. The web application that we uses ASP and the cdo.message object to send emails. The SMTP sends our emails and til now we have just been using it with its default settings. We have Microsoft Server 2003 running iis6, which is running the SMTP virtual server. I have been investigation an email problem on our server.
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