I have a Small Business Server 2003 with SP2 on it and I have installed Active Directory onto it, it worked for maybe two days and now the SMTP is not working. It keeps saying that port 25 is not responding. Any ideas?? The OS on it is WXP. I was working with a vendor to try there helpdesk software and to get the email alerts to work, he disabled our Anti-virus which we use McAfee and the emails came through, but soon as he enabled it, the emails stop coming through, would that be the problem?
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