mozilla/fxa-content-server — pull request #619 by shane-tomlinson (2014-02-26 14:58:55+00:00)
Title: fix(client): validate emails against IETF rfc5321

* email must have >= 2 part tld
* email can have [1, 64] byte local length
* email can have [3, 255] byte domain length
* email can be up to 256 bytes long

For more info, see http://tools.ietf.org/html/rfc5321#section-4.5.3.1.1

Closes #563