Windows 2003 IIS mail server fails to connect to isp servers
I have a windows 2003 server running as a POP3 mail server using IIS. It had been working fine until 2 weeks ago. My setup is this. Desktop with Outlook, a server with several web sites and a server just running my mail. If i send email from my desktop I can only send to certain isp's. The email to ISP's that I can't send to are in the Queue folder on the mail server. So I know it's not my outlook on my desktop. At least I woldn't think it is. I can telnet and send email from the mail server with out a problem. Does anyone have any ideas?
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