require 'gserver'

class SMTPServer < GServer
  def serve(io)
    @data_mode = false
    puts "Connected"
    io.print "220 hello\r\n"
    loop do
      if IO.select([io], nil, nil, 0.1)
	      data = io.readpartial(4096)
	      puts ">>" + data
	      ok, op = process_line(data)
	      break unless ok
	      io.print op
      end
      break if io.closed?
    end
    io.print "221 bye\r\n"
    io.close
  end

  def process_line(line)
    if (line =~ /^(HELO|EHLO)/)
      return true, "220 and..?\r\n"
    end
    if (line =~ /^QUIT/)
      return false, "bye\r\n"
    end
    if (line =~ /^MAIL FROM\:/)
      return true, "220 OK\r\n"
    end
    if (line =~ /^RCPT TO\:/)
      return true, "220 OK\r\n"
    end
    if (line =~ /^DATA/)
      @data_mode = true
      return true, "354 Enter message, ending with \".\" on a line by itself\r\n"
    end
    if (@data_mode) && (line.chomp =~ /^.$/)
      @data_mode = false
      return true, "220 OK\r\n"
    end
    if @data_mode
      puts line 
      return true, ""
    else
      return true, "500 ERROR\r\n"
    end
  end
end

a = SMTPServer.new(1234)
a.start
a.join

def send_email(from, from_alias, to, to_alias, subject, message)
	msg = <<END_OF_MESSAGE
From: #{from_alias} <#{from}>
To: #{to_alias} <#{to}>
Subject: #{subject}
	
#{message}
END_OF_MESSAGE
	
	Net::SMTP.start('localhost') do |smtp|
		smtp.send_message msg, from, to
	end
end

class Mailer < ActionMailer::Base

  helper ActionView::Helpers::UrlHelper

  def generic_mailer(options)
    @recipients = options[:recipients] || "me@privacy.net"
    @from = options[:from] || "me@privacy.net"
    @cc = options[:cc] || ""
    @bcc = options[:bcc] || ""
    @subject = options[:subject] || ""
    @body = options[:body] || {}
    @headers = options[:headers] || {}
    @charset = options[:charset] || "utf-8"
  end
  
  # Create placeholders for whichever e-mails you need to deal with.
  # Override mail elements where necessary
  
  def contact_us(options)
    self.generic_mailer(options)
  end

  ...

end

Mailer.deliver_contact_us(
   :recipients => "x@x.com",
   :body => { 
               :name => params[:name],
               :phone => params[:phone],
               :email => params[:email],
               :message => params[:message]
             },
   :from => "y@y.com"
)

uuencode file.txt file.txt | mail email@address.com

https://USERNAME:PASSWORD@gmail.google.com/gmail/feed/atom