mail_xoauth2 
Get access to IMAP and STMP via OAuth2, using the standard Ruby Net libraries.
This gem is based on and inspired by gmail_xoauth.
Install
$ gem install mail_xoauth2
Usage
IMAP OAuth 2.0
require 'mail_xoauth2'
imap = Net::IMAP.new('imap.gmail.com', 993, usessl = true, certs = nil, verify = false)
imap.authenticate('XOAUTH2', 'myemail@gmail.com', my_oauth2_token)
messages_count = imap.status('INBOX', ['MESSAGES'])['MESSAGES']
puts "Seeing #{messages_count} messages in INBOX"SMTP OAuth 2.0
require 'mail_xoauth2'
smtp = Net::SMTP.new('smtp.gmail.com', 587)
smtp.enable_starttls_auto
smtp.start('gmail.com', 'myemail@gmail.com', my_oauth2_token, :xoauth2)
smtp.finishLicense
See LICENSE for details.