SOLVED Not permitted to relay through this server error

luckymlombo

Registered
Aug 6, 2019
1
0
1
johannesburg
cPanel Access Level
DataCenter Provider
Pease help my problem is as follows

Code:
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The response from the remote server was:

550 Please turn on SMTP Authentication in your mail client. (http://mail-ot1-f50.google.com) [192.168.xxx.x]:44484 is not permitted to relay through this server without authentication.)
 
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alpinist

Member
Jun 9, 2011
14
5
53
I was able to fix it one of my servers by disabling and re-enabling SMTP Restrictions at WHM >> Home >> Security Center >> SMTP Restrictions.

Here are other discussions of the error:
 
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cPanelLauren

Product Owner
Staff member
Nov 14, 2017
13,295
1,273
313
Houston
@alpinist - Thanks for sharing those!

@luckymlombo - Please let us know if you have further questions or concerns once you read those.
 
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