Exchange Server 2000 - Receive 5.2.1 Errors from Public Folders and Distribution Lists

Hi,

I am currently experiencing a problem where people sending mail external to the company I work for are receiving 5.2.1 NDRs on messages sent to some Public Folders and Distribution Lists. It is seemingly random the ones it has chosen to do this for. If I send mail to the Public Folders and Distribution Lists internally (ie. not from the internet) all of them go through. I have checked over my settings many times and cannot see the problem. I have assigned a 500 to this question since I need this resolved as soon as possible. If you need any further information I will be glad to provide it.

Thank you,

Keith Hall
sandvineAsked:
Who is Participating?
 
SembeeCommented:
First thing to check is that "anonymous" has contributor rights to the folders. A common mistake is for people to remove those rights from the folder.
Is it always 5.2.1 errors? Can you post the exact message the other end is getting?

Simon.
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sandvineAuthor Commented:
Great thank you.
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