troubleshooting Question

Exchange 2010 - Mails stuck in queue with 451 error

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swgitFlag for United States of America asked on
12 Comments1 Solution647 ViewsLast Modified:
Hello Experts,

I'm having a couple of e-mails stuck in the queue with error "451 Requested action not taken because the message failed RFC compliancy checks."  This is for one particular domain only, not the rest.

Please advise.  Thanks.
Manpreet SIngh Khatra
Solutions Architect, Project Lead
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