import smtplib

username = 'la_monja@gmail.com'
password = 'esamangueraloca'

fromaddr = username
toaddrs  = 'el_bombero@gmail.com'
msg = 'A las 8 en la capilla'


server = smtplib.SMTP('smtp.gmail.com:587')
server.ehlo()

server.starttls()
server.login(username,password)
server.sendmail(fromaddr, toaddrs, msg)
server.quit()