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Mail Bouncing in Exchange server

By nalintha ·
We are using winNt4 and exchange ver5.5 and also microsoft proxy server.For the mail clients ,we use MS-outlook and outlook express.When we send a mail to an internal or an external recepient,it recieves to the recepient, but in the NTserver (in theoutlook express inbox)we get an error massege saying the message did not reach the following recipients or outbound mail failure .I haven't given any limits for inbound or out bound messages in exchange server.
The strange thing is the client recieves the message.But it returns again to the NTserver twice, by giving above error messages.
In client side ,if a client sends a messge to the server or to another client, it goes ,but the same message bounces back twice to the server giving above errors.pls help me.

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Mail Bouncing in Exchange server

by mjervis In reply to Mail Bouncing in Exchange ...

I had the same problem a few months back. My problem ended up being two fold.

1. I found DNS problems with my ISP and the name server. This stopped outside mail from hitting our NT Server and therefore being returned. I was able to send mail outside ok though.

Q150520 WINS Server Sporadically Loses Name Resolution

2. I had to delete and reinstall IMS (Internet Mail Service) I had a bunch of erroneous emails that was not deliverable in my IMS cache and therefore it blocked all mail coming in.
For this problem in the event log it kept showing a number I did a search for that number on the server and deleted it before I reinstalled IMS.

Good Luck .... any questions feel free to contact me. (

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