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I like using, but I'd also like to have encryption/signing options. Is there a plugin like Enigmail for Thunderbird? I'm on Snow Leopard.

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up vote 3 down vote accepted

There is a GPG plugin that will let you encrypt or sign messages.

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I'm on Snow Leopard; I'll update the question to reflect that restriction. – Hank Gay Mar 3 '10 at 14:09
You can get a version for Snow Leopard from here: – mipadi Mar 3 '10 at 14:17

Now at (Snow Leopard compatible, Sparkle updates, all-in-one installer, ...)

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