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Office 365 rejecting inbound mail

Posted on 2015-01-09
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Last Modified: 2015-01-10
Hi All

Im trialing office 365 at the moment and have a domain attached to said account, the issue is that if i send an email from gmail from a web browser i get the below error, but if i send the same gmail email from within an outlook configured account the office 365 account recieves it no problem, so far all other domains i have tested ok sending and recieving from the 365 email address

any ideas, thanks in advance

Technical details of permanent failure:
 Google tried to deliver your message, but it was rejected by the server for the recipient domain XXXXXXXX.XXX by XXXXXX.XXX. [00.00.00.00].
 
The error that the other server returned was:
 550-Please turn on SMTP Authentication in your mail client.
 550-mail-yh0-f41.google.com [209.85.213.41]:33828 is not permitted to relay
 550 through this server without authentication.
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Question by:techsolve1
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Accepted Solution

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VB ITS earned 500 total points
ID: 40541664
Did you only recently configure the MX records for the new domain to point to Office 365? It's possible that the outgoing server that Gmail is using to send your test email hasn't seen the updated DNS changes yet for your Office 365 domain.

Try sending test emails to your Office 365 domain from other free email providers such as Hotmail, Yahoo, etc. and see if they also bounce.
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Author Closing Comment

by:techsolve1
ID: 40542022
Hi
Yes this seems to be the issue, all ok this AM
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