Question : Mail Server Spamming

Our ISP have told us that our mail server is spamming emails and it has been blacklisted.

What can we do with this?

Where can we look to resolve this?

We are running SBS 2003 with Exchange 2003

Answer : Mail Server Spamming

Please have a read of my article for this particular problem:

http://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Why-are-my-outbound-queues-filling-up-with-mail-I-didn't-send.html

You are most likely an Authenticated Relay and my article should help you to narrow down the abused account.

If you get stuck or have any questions, please just ask.