# Mark all contacts in a segment as "do not contact"

**URL:** <https://forum.mautic.org/t/mark-all-contacts-in-a-segment-as-do-not-contact/15587>\
**Category:** Product Support\
**Created:** [August 10, 2020, 11:39pm UTC](https://forum.mautic.org/t/mark-all-contacts-in-a-segment-as-do-not-contact/15587 "2020-08-10T23:39:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xadriano](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/xadriano/32/494_2.png) [@xadriano](https://forum.mautic.org/u/xadriano)\
**Post date:** [August 10, 2020, 11:39pm UTC](https://forum.mautic.org/t/mark-all-contacts-in-a-segment-as-do-not-contact/15587/1 "2020-08-10T23:39:33Z")

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**Your software** mautic 3  
My Mautic version is: 3.2  
My PHP version is: 7.3

**Your problem**  
My problem is:

I have a large list of bounce contacts in a segment, and I would like to set all contacts in that segment to “do not contact” automatically!

These errors are showing in the log:

Steps I have tried to fix the problem:

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [August 11, 2020, 8:06am UTC](https://forum.mautic.org/t/mark-all-contacts-in-a-segment-as-do-not-contact/15587/2 "2020-08-11T08:06:12Z")

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Hi!  
Create a campaign, where the source is your segment. The first step should be ‘Add do not contact’.  
Channel: Email.

![add-do-not-contact](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/3/300e86153ea1181b6f44433500390bd6f624dd96.png)

Let it run.  
Done.