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Not receiving Inbound mail

Emergency!  PLease help!

We stopped receiving inconing mail.  We have Exchange 2003 on Server 2003 SP2,  I restarted HTTP SSL, IIS Admin,  MS Exhange Routing Engine, SMTP and and World Wide Web Publishing Services.  Even resetted my firewall.  Outgoing mail  no problem.

Is this a DNS Problem?
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czcdct
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Time to telnet to the IP address of the box.
1. do this from inside the network. Do "telnet server 25" and see if the banner comes up. Then send a test message.
2. do the same as (1) from outside the network (i.e. go home and test it)
3. from home, check what an nslookup says about your domain.
4. within ESM do a check on the Queues directory and make sure that the messages weren't actually received and the server isn't having problems finding your mailboxes (trust me, it does a DC lookup for homemdb even if the mailbox is local)
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ITcrowd

ASKER

1.  THe Banner comes up but I dont know how to send a test message on the command prompt.

2.  Did a "telnet mail.swaystudio.com 25"  Got a "...Could not open connection to the host on port 25:  Connect failed.

3.  nslookup says "***Cant find servername for address 10.72.110.5:  Non- Existent domain"
"***Cant find servername for address 10.72.110.5:  Non- Existent domain"
Server: la-cns1.telepacific.net
Address: 64.60.0.17

Non- Authorative answer:
Name : mail.swaystudio.com
Address: 69.4.191.155
ASKER CERTIFIED SOLUTION
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Sembee
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ASKER

Yes we are using an outsourced antispam solution so our email hits their servers first before it get to ours.  I gave them a call but it looks like no errors on their side.  Fo some reason we are getting email now, Im not sure what happened.  We were down since early this morning.  Im just frustrated I could find the root of where the problem started.
Any ideas?
If you didn't change anything and now it is working, then I would suspect the antispam solution provider. I have been told many times by those people that there is nothing wrong only for things to start working shortly afterwards.

Simon.
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ASKER

Once again Simon, you helped me out!  Thanks!