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.

Read More

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 […]

Read More