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  • 1.  451 Message Tempfailed in SMG

    Posted Apr 07, 2018 08:48 AM

    Hi,

    Outbound emails getting delay for the deliver to particular recipient, please find the below error message, Please anyone give me the solution for ASAP.

    Delivered To Delivered with TLS Delivery Time Recipient
    35.161.155.97:25  Yes  Friday, Apr 06, 2018 05:01:51 PM IST  vtirupat@umich.edu 
    Transient Delivery Attempts Failure Time Details Recipient
    Attempted Delivery to: default-non-local-route  Friday, Apr 06, 2018 04:53:23 PM IST  451 message tempfailed  vtirupat@umich.edu 
    Attempted Delivery to: default-non-local-route  Friday, Apr 06, 2018 04:53:47 PM IST  451 message tempfailed  vtirupat@umich.edu 
    Attempted Delivery to: default-non-local-route  Friday, Apr 06, 2018 04:54:25 PM IST  451 message tempfailed  vtirupat@umich.edu 
    Attempted Delivery to: default-non-local-route  Friday, Apr 06, 2018 04:55:35 PM IST  451 message tempfailed  vtirupat@umich.edu 
    Attempted Delivery to: default-non-local-route  Friday, Apr 06, 2018 04:57:43 PM IST  451 message tempfailed  vtirupat@umich.edu 

     

     



  • 2.  RE: 451 Message Tempfailed in SMG

    Posted Apr 09, 2018 06:22 AM
    They are deferring your email cuz you are a spam source. Stop being a spam source. Also, stop sending them so many messages at once. Make sure your smg rate control is configured properly.


  • 3.  RE: 451 Message Tempfailed in SMG

    Posted Apr 09, 2018 06:24 AM
    Also, make sure that your retransmit interval is more than 5 min and less than 20 min. Why you ask, cuz you are Re transmitting all email too frequently. The receiving mta thinks you are spamming them. Lol