Send mail from your gmail account

gistfile1.rb

require 'net/smtp'
require 'rubygems'
require 'tlsmail'
Net::SMTP.enable_tls(OpenSSL::SSL::VERIFY_NONE)

class GMailer
  SMTP_ADDR = 'smtp.gmail.com'

  def initialize(opts = {})
    unless opts[:login] && opts[:password]
      raise ArgumentError.new("provide login and password") 
    end
    @login = opts[:login]
    @password = opts[:password]
    @domain = @login[/@(.+)$/,1]
  end
  
  def deliver(opts = {})
    tostr = opts[:to].is_a?(Array) ? opts[:to].join(', ') : opts[:to]
    msg = ["FROM: #{@login}",
           "TO: #{tostr}",
           "SUBJECT: #{opts[:subject]}"]
    msgstr = msg.join("\n") << "\n\n#{opts[:body]}"
    smtp_args = [SMTP_ADDR, 25, @domain, @login, @password, :login]
    Net::SMTP.start(*smtp_args) do |smtp|
      status = smtp.send_message msgstr, @login, opts[:to]
      puts status
    end
  end
end