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421.4.4.2 connection dropped due to socketerror

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  • 421.4.4.2 connection dropped due to socketerror

    Dear All,

    I have a problem when I sending e-mail.

    Queue Last Error

    451.4.4.0 Primary target Ip address responded with "421.4.4.2 Connection dropped due to SocketError "Attempted failover to alternate host, but taht did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.

    and I receive some e-mail error.


    Delivery is delayed to these
    recipients or groups:

    [email protected]

    RE

    :

    This message hasn't been delivered yet. Delivery will continue to be
    attempted.

    The server will keep trying to deliver this message for the next 1 days, 19
    hours and 46 minutes. You'll be notified if the message can't be delivered by
    that time.

    (i know a little english sorry)

  • #2
    Re: 421.4.4.2 connection dropped due to socketerror

    your mail server is unable to speak to the other mailserver - the othermail server is actively dropping the connection.

    Is this happening for ALL exernal servers?

    Are you using a smart host, or are you delivering via dns ?
    Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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