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weird mail processing of user@domain.com.

Posted on 2011-02-17
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Last Modified: 2012-05-11
we have someone that has contacts with  user@domain.com.  (trailing dot after com)
exchange 2003 delivers them fine.  If he sends it to me, im on the same exchange site but on 2007 server and it bounces if i reply to all.
why would exchange 2007 reject it, but 2003 allows it?
can if fix it for one or both? i just want the same result on both.
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Question by:Eric
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by:MichaelVH
ID: 34920077
In Exchange 2007 this is by default. This has to do with some RFC that defines how email addresses are built up.
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by:Eric
ID: 34920152
Can i trick it to allow it? or even better make exchange 2003 break it so at least the user on the 2003 box gets as annoyed by it as everyone he emails?  Its a upper management type, I am only going to drop so many hints.
lol
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Expert Comment

by:MichaelVH
ID: 34920218
I don't think that's possible. The only thing I could think of is changing the Domain Validation for Exchange 2003.

Have a look here:
http://support.microsoft.com/kb/291828
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MichaelVH earned 500 total points
ID: 34920237
I just realised that probably won't change things either, since you're sending the emails...
Move the user over to Exchange 2007 and you'll get rid of the inconsistent experiences ;-)
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by:Eric
ID: 34920250
ha.  i should  its still in test mode. only 4 people on it.
Im skipping it and going straight to 2010 i think.
my guess is he has it it stored in his recent addresses *.nk2 file.
im gonig to sneak in, type it, and delete the entry so he has to re-key it.  

Thanks for info.
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