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Emails timing out from some domains only.

some of emails sent to our domain have been bouncing back. or arriving with 3 to 25 hours delay. I was told that emails from certain domains time out after 60 sec. and my exchange sever is not responding fast enough. is there a way to trace or pin-point where the delay is having place.
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Enrique Cebalos
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Enrique Cebalos
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2 Solutions
 
imkotteesSenior Messaging EngineerCommented:
you can check the mail header, it show you where the delay is.
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Simon Butler (Sembee)ConsultantCommented:
If you are getting timeouts after 60 seconds then that isn't a delivery timeout, but a connection time out. The primary cause of that is a firewall scanning SMTP traffic, followed by AV or antispam software on the server itself.

Simon.
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Enrique CebalosIT ManagerAuthor Commented:
i have check my firewall already but I haven't check the server's antivirus. Ill get to you on that. thanks.
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Enrique CebalosIT ManagerAuthor Commented:
No, it did not work.
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Enrique CebalosIT ManagerAuthor Commented:
wrong setting on the receiving connector.
its fix now.   thank you
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