Outbound Mail hangs in Queue folder using IIS 5.0 SMTP

[uncleroydee]

After moving a web server to a new hosting provider CDONTS messages that we are attempting to send using IIS 5.0 are "hanging" in the queue folder.

If I configure SMTP to use my DNS server as a Smart Host I get an error that the remote server did not respond to a connection attempt. Would that be the DNS server or the mail server to which the email is addressed?

If I set my IIS server as the Smart Host I get an error that an internal DNS error caused a failure to find the remote server.

I have valid "MX" and "A" records established with a domain name registrar and I have IIS configured for SMTP as it was on the previous site with the exception of the new IP addresses and domain names.

Can anyone tell me what I may be overlooking or messing up?

Thanks, and Happy Winter Holidays to all.

 

[epohl]

Sounds like you have a DNS problem. Does the IIS server have the address of a valid DNS server in its IP settings? Also a smart host is not a DNS server it is a mail relay server so that is why it failed to make a connection. From a cmd prompt do a ipconfig /all and see what you have listed for DNS servers.