in my organisation we recently installed exchange 2007 in co-exist with exhange 2003. How ever all the things are working fine and we made CAS server as a front end, so mail relay will happen for exchnge 2003 mailboxes and exchange 2007 via CAS server. After inmplementation there is no problem and suddenly on friday 11th jan we faced some mail delivery delay problem.
We have SMTP smart host for mail relay in that queue there are minimum of 600 mails and delivered after 2 to 3 hrs from submission time. all the links and connectivity are fine.
can any one help me in resolving this. please.
if any information required please reply to this...
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