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Thread: Delivery Status Notification (Failure)

  1. #1
    Mochyn Guest

    Question Delivery Status Notification (Failure)

    Sent a single email to 17 recipients from Outlook 2003. All 17 were returned or rejected with the following message:

    The following message to '******' was undeliverable.
    The reson for the problem:
    5.1.2 - Bad destination host "DNS Hard Error looking up' (MX): NX Domain.

    Not all recipients were There were a fair range of different ISP.
    ZA Advanced Email Protection has the maximum number of recipients set to 50, and number of emails sent to 5 in a time interval of 2 seconds.

    Is this likely to be a ZA problem?

    Or should I be looking at Outlook? or my wireless router? or Tiscali?

    I sent the email again, separately to all 17 recipients. No error messages and have so far receibved two replies.

  2. #2
    Join Date
    Jun 2006
    The 3rd Coast - South Central Texas

    Default Re: Delivery Status Notification (Failure)

    an easy way to find out of ZA is the problem, is to Shut down Zone Alarm,
    UNcheck "Load ZA... at startup" (under Overview - Preferences tab)

    ReBoot Computer, then Start Outlook 2003 and try sending simular 17 messages to the same Addresses?

    Please Post back here with your Progress Report
    ZoneAlarm® Extreme Security

    Click here for ZA Support
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