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Exchange 2000 Mail Delivery Problem

Medium Priority
Last Modified: 2013-12-05
We have an exchange 2000 server runnign under a windows 2000 domain. Here is the problem we are having. When we send mail out some of our mail is delvered to recipent and some mail is not it seems like it a few domains that are not going out but we can recive from anybody that work fine. Wehn I check the exchange esm i see the domain listed that ar failing. What coudl be the problem
Watch Question

Some ISPs automatically reject emails that are sent from sources without a valid reverse DNS record. Typical example - AOL. A quick fix would be using SMART Host with your SMTP connector, by specifying your ISP email server as your smart host.

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