What is a Cron Lock?

When Mailster sends your campaigns it wants to make sure no duplicate mails reach your customers. For this reason a cron lock gets created when Mailster processes the queue. After you or a third party triggers the cron url Mailster requests a lock so no other request can overlap (more on how to setup a cron). […]

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The latest cronjob hasn’t been finished

Sometimes sending emails can take longer than expected. This can cause a server timeout and wrong statistics in some cases. You’ll get a notification in this case: Also if you’re on the cron.php page you get this¬† If this is a temporary problem and the notification box vanishes by itself you can ignore it but […]

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How can I setup a cron job?

If you have problems with sending your campaigns you may have not setup your cron correctly. There a two ways to trigger the send progress: wp-cron If you select the WordPress native cron solution you don’t have to take any further actions. WordPress will send your campaigns in your defined interval. This method has some […]

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