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Tore JacobsenFlag for Norway

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Exchange 2003: No incoming mail. Out Ok

Hi.
Have a customer with a Win 2003 server std. with Exchange 2003.
Small company, 10 users.
I was called in to help, because mail did not work in or out.
Found 200.000 mail in SMTP ques on virtual smt server.
Edited Default SMTP Virtual Server, Access control , unchecked Anonumous access, deleted all messages in ques, both in Exchange system manager\ server\ Ques and in C:\Program Files\Exchsrvr\Mailroot\vsi 1\Queue.
Have tried to disable outgoing mail and se that no extra ques are building up.
Outgoing mail works fine now
But no there are no incoming mail... Worked a few days ago...
Checked that mx record are ok, and that telnet to ip with port 25 answers.
(Firewall and nat =ok)
all services seemes to be running ok.
Recipient policy look ok to me, with domain.com as primary (not domain.local)

Any ideas on what I should check?
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Tempelman

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Are the incoming mails build up in one of your queues?

What happens if you send an e-mail from outside (e.g. from a yahoo or gmail account)? Please post the error you get as an outside sender.
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ASKER

Hi.
Thanks for answers.
Will start with MEBPATool ant Troubleshhoting assistant. and report shortly.
Threre is no mails in ques. Get no error message on mails sent from Lycos mail (outside)
Looks like a connectivity problem. Try to telnet to the PUBLIC ip address on port 25 from a computer in a different place and see if it answer.
After try to send an email (always from a computer out of the network) and look for return error message.
Hi.
Telnet from public ip on port 25 answers.
Mx record points to this public ip
Will get back when reports from MEBPA tool and TS Assistant are ready
Got this error msg with Trouble shooting assistant:
SMTP instance 'Default SMTP Virtual Server' on server server2k3 failed the mail acceptance test over port 25. MAIL FROM command: Respond = 454 5.7.3 Client does not have permission to submit mail to this server..
Hi again.
Now I tried to change back to "allow anonymous access" under Default SMTP Virtual Server Properties\Authentication access

Now mails are coming in again..
But is this not the setting that allowed this server to be "hijacked" and was causing this server to sending 100.000's spam mail?

Thought that this setting only applied to sending mail, and not reciving??

Now it's starting to generate spam mail again.. Have disabled outgoing mail, and starting to build up in ques (Internet mail SMTP connector)

Sorry to be filling up this tread with cooments, but try to give as much info as I can..
Thank you for replying!
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Tempelman: Followed the articel and got this response
mail from:tore@nvg.no
250 2.1.0 tore@nvg.no....Sender OK
rcpt to:tore.jacobsen@lycos.com
550 5.7.1 Unable to relay for tore.jacobsen@lycos.com
Seemes to ok..?
BUT, did this to start logging :
1. Start Exchange Administrator.
2. Double-click Servers.
3. Under Servers, right-click ServerName, and then click Properties.
4. Click the Diagnostic Logging tab.
5. Click MSExchangeTransport on the left.
6. On the right, click SMTP Protocol.
7. Under Logging Level, click Maximum

And now I get tons of Aplication eror msg's
Event ID 7010
"This is an SMTP protocol log for virtual server ID 1, connection #16. The client at "118.161.43.100" sent a "rcpt" command, and the SMTP server responded with "550 5.7.1 Unable to relay for kokokoko64@yahoo.com.tw  ". The full command sent was "rcpt TO: ".  This will probably cause the connection to fail. "

The adress is a external ip and it is a few diffrent adresses that seemes to be in the same scoop, same area..
Any ideas about what I should do??

Thank you so much for trying to help!!
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