import subprocess
import sys
import telnetlib

#print 'email:<%s> n' % str(sys.argv[1])

if len(sys.argv) == 1:
    print "ERROR:tYou must provide an email address you wish to validate."
    sys.exit(1)

rcpt = 'rcpt to:<%s>n' % str(sys.argv[1])

print rcpt

domain = str(sys.argv[1]).split('@')[1]

print domain

server = (subprocess.check_output(['dig', '+short', domain,'MX'])).split('n')
print 'Server:<%s>n' % server

server.pop()
server.sort()

print 'Server[0]:<%s>n' % server[0]
server = (server[0]).split(' ')[1].rsplit('.', 1)[0]

print 'Server after spliting:<%s>n' % server

#============================[ TELNET SESSION ]=================================
telnet = telnetlib.Telnet(server, "25")
telnet.write('ehlo computer.comn')
telnet.write('mail from:<otto@earth.org>n')
telnet.write(rcpt)
telnet.write('quitn')
#print 'rcpt final:<%s>n' % rcpt

return_code = (telnet.read_all().split('n')[-3]).split(' ')[0]
#print 'return_code:<%s>n' % return_code

if return_code != '250':
    #print '%r is *NOT* a valid recipient on %s' % (str(sys.argv[1]), domain)
    sys.exit(2)
else:
    print str(sys.argv[1])
    sys.exit(0)

carathas@aol.com
029@aol.com
08norcal2pl@aol.com
08norcascott@aol.com
08normanb@aol.com
0gt@aol.com
1-nov@aol.com
1.finofear534@aol.com

while read in;
    do
      ./verify-email.py "$in";
    done < /home/itstym/Desktop/email_database/sample.txt

>cpt to:<carathas@aol.com
instead of this
rcpt to:<carathas@aol.com