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Can you add a header to an email in Thunderbird?

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  • 1 inayo le ngxaki
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  • Impendulo yokugqibela ngu sfhowes

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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?

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Ilungisiwe ngu martin.h.klein

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https://www.lifewire.com/arbitrary-custom-heading-email-thunderbird-1173089

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