sendmsg.py

#!/usr/bin python3
"""
A simple script to send a text message over gmail. Text messages are sent as
emails. The mail address depends on the carrier, based on the table below:

    AT&T:          number@txt.att.net
    T-Mobile:      number@tmomail.net
    Verizon:       number@vtext.com
    Sprint:        number@messaging.sprintpcs.com or number@pm.sprint.com
    Virgin Mobile: number@vmobl.com
    Tracfone:      number@mmst5.tracfone.com

Password for the sending email is obtained in secret using getpass module
"""

import smtplib
from getpass import getpass

sender = # Your gmail address goes here
receiver = # The receiving number/email goes here
message = """Stay awesome, my friend"""

password = getpass('Enter the password for ' + sender + ': ')

# Ship it off
s = smtplib.SMTP('smtp.gmail.com', 587)
s.starttls()
s.login(sender, password)
s.sendmail(sender, receiver, message)
s.quit()