# Custom MIME headers by default
**URL:** https://forum.mautic.org/t/custom-mime-headers-by-default/9992
**Category:** Product Support
**Created:** [November 27, 2017, 2:05pm UTC](https://forum.mautic.org/t/custom-mime-headers-by-default/9992 "2017-11-27T14:05:42Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@kjeld](https://forum.mautic.org/u/kjeld)
#### Post date: [November 27, 2017, 2:05pm UTC](https://forum.mautic.org/t/custom-mime-headers-by-default/9992/1 "2017-11-27T14:05:42Z")
Hello,
In order to have Mautic work with my MTA, I need to provide a custom MIME field in the email header (e.g. x-custom-data: 123). However, I have not yet found a way to do this in Mautic. Does anybody know how this can be achieved?
Thanks in advance!
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### Author:  [@kjeld](https://forum.mautic.org/u/kjeld)
#### Post date: [November 27, 2017, 2:05pm UTC](https://forum.mautic.org/t/custom-mime-headers-by-default/9992/2 "2017-11-27T14:05:42Z")
Hello,
In order to have Mautic work with my MTA, I need to provide a custom MIME field in the email header (e.g. x-custom-data: 123). However, I have not yet found a way to do this in Mautic. Does anybody know how this can be achieved?
Thanks in advance!
---
### Author:  [@bizcrony](https://forum.mautic.org/u/bizcrony)
#### Post date: [November 27, 2017, 3:25pm UTC](https://forum.mautic.org/t/custom-mime-headers-by-default/9992/3 "2017-11-27T15:25:50Z")
@kjeld check custom filed and add there
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### Author:  [@ot-marketing](https://forum.mautic.org/u/ot-marketing)
#### Post date: [January 29, 2020, 9:50pm UTC](https://forum.mautic.org/t/custom-mime-headers-by-default/9992/4 "2020-01-29T21:50:20Z")
Does anyone have an answer to this? I want to add custom MIME/header too.