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I am attempting to check exchange mail stores for errors and run defrag. Here are the details: 2 stores - store1 = 13gb and store2 = 1.6gb Dismount on store2 took about 2 minutes but dismount on store1 has been running for over an hour. The CPU usage is 75% so I know something is going on. I...

Your decision is good. Many spammers now are using NDR to bounce email off some exchange servers and they 'spoof' the from address so that the email NDR is delivered to the target audience. I have seen companies placed on blacklist because they were bouncing mail using NDRs. The real risk is...

This is a problem with your external MX record. Senders must be able to resolve an MX record with your domain to route mail to your mail server. Try this from a command prompt: nslookup -q=mx yourdomain.com Replace yourdomain.com with your domain name. It should return the MX record along...

I installed a 2003 exchange server over a month ago and it was sending/receiving mail fine (DC/GC role). Now there is no mail sent/received. I have log files as if transactions were being processed but no mail. All services are running with no errors. When testing using telnet, I get 'Queued...

We are receiving thousands of inbound emails for accounts that are not valid. These accounts aren't old accounts, they are names that have never been in our company. I just recently started this job after having been out of IS Admin for 8 years and all this spam is new stuff to me. It is a...