Enigmail 1.2 is required for the recently bumped Thunderbird 5.0. Please update. Reproducible: Always
Sorry enigmail has been moved back into thunderbird simply enable crypt useflag.
Thanks!
*** Bug 373935 has been marked as a duplicate of this bug. ***
*** Bug 376289 has been marked as a duplicate of this bug. ***
*** Bug 381815 has been marked as a duplicate of this bug. ***