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Exchange 2010 Queue problem 451 4.4.0 primary target ...

Discussion in 'Web & Email' started by shaker200005, Oct 29, 2019.

  1. shaker200005

    shaker200005 Thread Starter

    Joined:
    Oct 29, 2019
    Messages:
    1
    I have problem with exchange 2010
    I try to send email but not failed delivery
    I open Queue to see what the problem I have this :

    451 4.4.0 primary target ip address responded with :'451 4.7.1 received too many messages from a new or untrusted ip (z27/301d51a)(g28) "attempted failover to alternate hosts or delivery failed...

    how to solve this problem ?

    not every emails just this one

    thank you all
     
  2. Couriant

    Couriant Trusted Advisor

    Joined:
    Mar 26, 2002
    Messages:
    34,122
    First Name:
    James
    It looks like you are missing some server information/misconfigured, or you are being blocked for spam. In any case, I see that you have posted here in Spiceworks Community. I would suggest sticking to that forum to prevent duplicate troubleshooting or troubleshooting that may hurt other suggestions.
     
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