#!/usr/bin/python
# -*- coding: utf-8 -*-

from email.mime.text import MIMEText
import smtplib
import time

hostname = 'aaa'
username = 'aaa'
password = 'aaa'

message="""
Blah  blah blah
blah blah blah
bla

Att.
Sr. Blah
"""


with open('arquivo.txt','r') as f:
    content = f.readlines()

for user in content:
    msg = MIMEText(message)
    msg['Subject'] = 'Blah blah bleh'
    msg['From'] = 'joao@nasa.com'

    server = smtplib.SMTP(hostname, 25)
    server.ehlo()
    server.starttls()
    server.ehlo()
    server.login(username, password)
    fromaddr = 'joao@nasa.com'

    user = user.replace('\n','').split(' ')[0]
    toaddr = "%s@nasa.com" % user
    msg['To'] = '%s@nasa.com' % user
    server.sendmail(fromaddr,toaddr,msg.as_string())
    time.sleep(5)
    server.quit()