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Not All Mailman Listserv Subcribers Receiving Daily Email

Discussion in 'E-mail Discussions' started by easyabcd, Dec 14, 2004.

  1. easyabcd

    easyabcd Registered

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    Not All Mailman Listserv Subcribers Receiving Daily Email

    - The mailman list has some 600+ subscribers
    - This mailman is part of the CPanel package
    - This is a daily (M-F) listserv newsletter. The daily newsletter is only sent out by the moderator.
    - The list is fairly stable in size with the usual unsubscriptions and subscriptions, a slight increase each month.
    - Mailman had been running fine for months, until Aug/Sep when subscribers started sending messages saying the daily email was not arriving.
    - Subscribers NOT receiving their email seem to be consistently the same subscribers. They are from many and varied ISPs including AOL and Earthlink.
    - NOT ALL subscribers of any of the ISPs are being rejected. Many subscribers on ALL the ISPs are receiving the daily email just fine.
    - Some 250 of the subscribers are now on a Topica listserv. They ALL receive the daily email each day. When the same message is sent to the mailman listserv some of these 250 subscribers do NOT receive the email.
    - Emails sent directly to the subscribers, from the same email address that is used to send to the mailman listserv get through just fine, though email sent through mailman does not get to them.

    How can this issue be further isolated and resolved?

    Are there Cpanel users that are using Mailman with much larger list sizes successfully?

    Help is much appreciated.

    Thank you, Easy
    Spokane
     
  2. dezignguy

    dezignguy Well-Known Member

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    perhaps your server/ip address range has been blacklisted for spam problems?

    look up your main ip address here: http://moensted.dk/spam

    Perhaps you don't have reverse dns setup for your main ip?

    Do these mails sit in your queue for a long time? What are the delivery errors in the exim logs for these emails?
     
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