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Exchange mail bounce backs

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by techgirl75

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We are running NT 4.0 with Exchange 5.5 and proxy 2.0. It seems some people are getting bounce backs that try to send mail to us. It happens only occassionally, usually during the night and weekend, is what I'm seeing. It never makes it to the exchange queue and I'm not seeing anything in Event viewer that would help. Any ideas? Could it be a DNS problem? We recently moved Exchange to a new server (with new server name). Thanks!

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by toyzrus23

This is not an answer just a little support that you are not alone!!
Had a similar issue but involving mail being sent out. We had to look at the NAV Gateway. We had also made some changes involving servers and had DNS isues while this was going on.

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