issue2550957: Duplicate emails (with patch). Bcc and cc users passed to nosymessage are not properly recorded. This results in duplicate emails. Patch by Trent Gamblin (trentgg). Applied by and test added by John Rouillard.

#!/usr/bin/env python
import zlib, base64, sys
print base64.encodestring(zlib.compress(sys.stdin.read()))