Sending several copies of the same newsletter

Posted on August 9, 2011 by admin

Graham recently asked me to solve his problem of several copies of the same newsletter for the same recipient.
My first answer was to tell him that this results from a bug in wp-cron (wordpress feature).
After some search, i found a solution he was able to test successfully.
Here are the first posts on the solution found, and Graham contribution.

and Graham posts :

nota bene : to implement this solution you need one of these :

  • ability to schedule cron job with your CPanel
  • ability to edit your crontab
  • access to external services such as webcron.org
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4 Responses to Sending several copies of the same newsletter

  1. admin says:
    August 10, 2011 at 6:47 pm

    Here is a new version of Pascal’s wp-cron-multi-blog.php :

    http://goo.gl/Tz9GC

    I will personnally rename this file wp-ms-cron.php

  2. Valerie says:
    August 30, 2011 at 6:32 am

    Hopefully I won’t have the same problem. I can’t turn off the wp-cron, it’s needed for my backup software to run. (tried it)

    Ug!

  3. admin says:
    August 31, 2011 at 12:18 am

    The purpose is not to completely disable wp-cron, but to execute wp-cron using an external scheduler such as cron. Completely disabling wp-cron would disable features such as scheduled posts.

  4. Graham says:
    September 27, 2011 at 4:17 am

    I just had a comment on buildyourblog.net alerting me to a new WordPress bug report and associated change to improve wp-cron locking in WordPress 3.3. I haven’t tested it, but I’m hoping it will fix this problem.

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