Log message:
Fix package by adding 'zip' to tools.
Mark as not for python-3.x.

Log message:
Import thunderbird-enigmail-1.8.2 as mail/thunderbird-enigmail.

Enigmail is a security extension to Mozilla Thunderbird and Seamonkey.
It integrates the renowned OpenPGP standard provided by GnuPG.

Sending and receiving encrypted and digitally signed email gets just
simple using Enigmail.

This is packaged in pkgsrc-wip by Kamil Rytarowski.