Can I get gp4win to sign emails in thunderbird? I found the answer in the WIKI

General
1

Can I get gp4win to sign emails in thunderbird? I see an outlook add on for that but I don’t see anything mentioning thunderbird. I found it, it was in the wiki’s.

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May be you can find the answer here:

It is in GERMAN.

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EMailClients/Thunderbird - GnuPG wiki ← has our information about GnuPG, Gpg4win and Thunderbird