What is a Cron Lock?

When Mailster sends your campaigns it wants to make sure no duplicate emails 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 set up a […]

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How can I setup a cron job?

If you have problems with sending your campaigns you may not have set up your cron correctly. There are 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 […]

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