Error after upgrading to v0.21b

[bstill]

Guess I should’ve read this first.

Version 0.21 is posted

I’ve just posted version 0.21 of Mail-in-a-Box. The new version updates ownCloud, which may include security fixes, and makes some other smaller improvements. See the full changelog. To upgrade, see the upgrade instructions. Some users performing an update from an existing version have been encountering an error during and after upgrading that looks like: ... lots of stuff, then ... AttributeError: cffi library 'openssl' has no function, constant or global variable named 'Cryptography[someth…