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Adicione recursos e estilos extras para tornar o Thunderbird só seu.
FecharAnálise de Header Tools Improved por cosygatos
Avaliado em 3 de 5 estrelas
It was a lifesaver for me. Until... it stopped working! The function that I mostly used is to edit the Reference field. TB version 91.4.1 64bit.
The workaround that did the job for me (at least for once) was to move the email to a local folder, do the edit and then move back to the Gmail folder.
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