We have 2010 550 5.7.1 exchange server client has no prmission to send that sender I get this error on Exchange pop3 accounts and account owa works fine


I have exchange server 2010 my all work fine, but since last week, my two not able to send mail to another domain I get customer error 550 5.7.1 doesn't have permission to send that sender ot 550 5.7.1 Unable to relay.

I'm trying to make new Email id this two days well only after two days work I get to new same error.

Thank you
Ashok pal



Since you are facing problem with Exchnage Server 2010, it would be preferable to send the same in the Technet community for more help.


Hope the information is useful

Tags: Windows

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