# Personalized custom email header fields

**URL:** <https://forum.mautic.org/t/personalized-custom-email-header-fields/31298>\
**Category:** Product Support\
**Created:** [March 16, 2024, 12:15am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298 "2024-03-16T00:15:23Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![gamingtips](https://avatars.discourse-cdn.com/v4/letter/g/57b2e6/32.png) [@gamingtips](https://forum.mautic.org/u/gamingtips)\
**Post date:** [March 16, 2024, 12:15am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/1 "2024-03-16T00:15:24Z")

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**Your software**  
My Mautic version is: 5.0.3  
My PHP version is: 8.1  
My Database type and version is 10.5.23-MariaDB-0+deb11u1 - Debian 11

**Your problem**  
My problem is:  
I want to add custom email header fields and personalize it. For example,  
x-user-id: 1111111 for one email  
x-user-id: 2222222 for another email

I can’t find a way to do that.

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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:** [March 17, 2024, 7:31am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/2 "2024-03-17T07:31:36Z")

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Are you saying you want to place the contact id token in the custom header?  
Did u try in email \> advanced tab?

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<div class="post-metadata">

**Author:** ![DogByteMarketing](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/dogbytemarketing/32/11625_2.png) [@DogByteMarketing](https://forum.mautic.org/u/DogByteMarketing)\
**Post date:** [March 17, 2024, 8:06am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/3 "2024-03-17T08:06:46Z")

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There’s two ways to do this. You can do it globally:  
Settings → Configuration → Email Settings → Custom Headers → Add Value

Or by individual email:  
Channels → Emails → Select the Email → Edit → Advanced → Custom Headers → Add Value

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<div class="post-metadata">

**Author:** ![gamingtips](https://avatars.discourse-cdn.com/v4/letter/g/57b2e6/32.png) [@gamingtips](https://forum.mautic.org/u/gamingtips)\
**Post date:** [March 17, 2024, 5:41pm UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/4 "2024-03-17T17:41:37Z")

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Thanks! That works!

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<div class="post-metadata">

**Author:** ![gamingtips](https://avatars.discourse-cdn.com/v4/letter/g/57b2e6/32.png) [@gamingtips](https://forum.mautic.org/u/gamingtips)\
**Post date:** [March 17, 2024, 5:41pm UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/5 "2024-03-17T17:41:56Z")

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Thanks! It helps!

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**Author:** ![Leox](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/leox/32/12600_2.png) [@Leox](https://forum.mautic.org/u/Leox)\
**Post date:** [August 27, 2024, 7:49am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298/6 "2024-08-27T07:49:12Z")

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I’m not sure about that…

Add header value in Settings works only for internal mautic email (notif, password, etc…).

I can’t set header globally for all marketing email.

If you have a solution, I’m interested.