# Scaling with Workers - What happens if you force a cron script?

**URL:** <https://forum.mautic.org/t/scaling-with-workers-what-happens-if-you-force-a-cron-script/27854>\
**Category:** Product Support\
**Created:** [May 1, 2023, 6:07am UTC](https://forum.mautic.org/t/scaling-with-workers-what-happens-if-you-force-a-cron-script/27854 "2023-05-01T06:07:27Z")\
**Posts on this page:** 1\
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**Author:** ![tornmarketing](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/tornmarketing/32/11603_2.png) [@tornmarketing](https://forum.mautic.org/u/tornmarketing)\
**Post date:** [May 1, 2023, 6:49am UTC](https://forum.mautic.org/t/scaling-with-workers-what-happens-if-you-force-a-cron-script/27854/2 "2023-05-01T06:49:50Z")

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Think I found our solution with lock names  
@joeyk - any other learnings here I gotta be mindful of?

> [@Mautic don\`t send emails](https://forum.mautic.org/t/mautic-don-t-send-emails/25490):
>
> Your software My Mautic version is: 4.4.2 My PHP version is: PHP FPM 8.1 My Database type and version is: 10.3.34-MariaDB-0ubuntu0.20.04.1 - Ubuntu 20.04 Your problem My problem is: My mautic has a record of 1.2 million contacts. I schedule sending to the segment that contains 400,000 people, and after sending about 250,000 emails, mautic stops sending with the following error: In ProcessEmailQueueCommand.php line 141: …

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