[...]
> I added:
>
>
> user_pref("mail.identity.id1.headers", "archive");
> user_pref("mail.identity.id1.header.archive", "X-No-Archive: yes");[...] I quote part of the headers I see in your mail: | User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 | Thunderbird/78.3.1 | X-No-Archive: yes | In-Reply-To: <[email protected]> | Content-Language: en-GB ...so it seems to work. Cheers - t
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