# execution time cron jobs

**URL:** <https://forum.mautic.org/t/execution-time-cron-jobs/10703>\
**Category:** Product Support\
**Created:** [August 15, 2018, 11:03am UTC](https://forum.mautic.org/t/execution-time-cron-jobs/10703 "2018-08-15T11:03:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![krinic](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/krinic/32/232_2.png) [@krinic](https://forum.mautic.org/u/krinic)\
**Post date:** [August 15, 2018, 11:03am UTC](https://forum.mautic.org/t/execution-time-cron-jobs/10703/1 "2018-08-15T11:03:47Z")

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I have a problem

my contact list is 1,200 contacts, when I sent an email through the mautic campaigns, some of my contacts receive 2 or more times the same email

I use the standard configuration of cron jobs and my SMTP is [elasticemail.com](http://elasticemail.com)

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**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\
**Post date:** [October 17, 2019, 4:33pm UTC](https://forum.mautic.org/t/execution-time-cron-jobs/10703/2 "2019-10-17T16:33:11Z")

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