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Can you add a header to an email in Thunderbird?

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  • Last reply by sfhowes

martin.h.klein
martin.h.klein
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I'm using a mailing service that requires me to add an additional header to an email: Header - X-PM-MESSAGE-STREAM: {stream-id}

Is it possible to do this in Thunderbird and if so, how?

I'm using a mailing service that requires me to add an additional header to an email: Header - X-PM-MESSAGE-STREAM: {stream-id} Is it possible to do this in Thunderbird and if so, how?

All Replies (2)

martin.h.klein
martin.h.klein Question owner
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Found the answer, yes you can :) See: https://www.lifewire.com/arbitrary-custom-heading-email-thunderbird-1173089

Modified by martin.h.klein

sfhowes
sfhowes
  • Top 10 Contributor
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https://www.lifewire.com/arbitrary-custom-heading-email-thunderbird-1173089

In TB 78, Config. editor is under Options/General/Indexing.