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.
What is a Cron Lock?
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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.
If you have problems with sending your campaigns you may not have set up your cron correctly.