How do I prevent 451 4.7.1 Greylisting in action

Discussion in 'Microsoft Outlook Discussion' started by Guest, Jun 14, 2007.

  1. Guest

    Guest Guest

    How can I prevent my emails being delayed / not sent - the following message
    come up every time I send an email

    Your message did not reach some or all of the intended recipients.

    Subject:
    Sent: 14/06/2007 14:10

    The following recipient(s) cannot be reached:


    451 4.7.1 Greylisting in action, please come back in 00:15:00
     
    Guest, Jun 14, 2007
    #1
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  2. Graylisting is an anti-spam device and you can't control it. It is a
    function of the server you're trying to reach. See this:
    http://en.wikipedia.org/wiki/Graylisting
     
    Brian Tillman, Jun 14, 2007
    #2
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