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Exchange 2003 Queue SMTP issues
LockedSome mail is not making it out, new to Exchange and 2003. This is Exchange Server 2003 on SBS 2003. Was sending mail fine the first few days. Now, I look at the queue and there are a ton of domain names listed with Retry and a few messages for each. Look in the log, nothing unusual. The message when you highlight the domain name is the remote server did not respond to the connection attempt.
All this in queue, but the queue folder itself is empty when I look in it. The bad mail folder has several messages.
SMTP TCP 25 is open on the firewall so it can send fine technically.
Any ideas, next steps? This is huge to me.
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