OSX: 10.8.4 Thunderbird:17.0.8 Enigmail:1.5.2
I could not decrypt e-mails any more (Error OpenPGP Security Info Error - signature verification failed). It didn't even prompt me to provide my passphrase. I was just about to submit this as a request, when I found a solution. I discovered that an update for GPGMail 2 is available. This update from MacGPG2v2.0.19 to MacGPG2v2.0.20 https://gpgtools.org/index.html resolved the issue for me.
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OSX: 10.8.4 Thunderbird:17.0.8 Enigmail:1.5.2
I could not decrypt e-mails any more (Error OpenPGP Security Info Error - signature verification failed). It didn't even prompt me to provide my passphrase. I was just about to submit this as a request, when I found a solution. I discovered that an update for GPGMail 2 is available. This update from MacGPG2v2.0.19 to MacGPG2v2.0.20 https://gpgtools.org/index.html resolved the issue for me.