A simple SMTP mailer using Python's smtplib. #python #smtp #mail

smtp-mailer.py

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

class Mailer(object):
    def __init__(self, host, port, username, password='', verbose=0):
        self.smtp = None
        self.host = host
        self.port = int(port)
        self.username = username
        self.password = password
        self.verbose = verbose

    def connect(self):
        if self.smtp:
            logging.warn("Allready connected to SMTP endpoint (%s,%d)" %(self.host, self.port))
            return
        self.smtp = smtplib.SMTP_SSL() # or smtplib.SMTP()
        self.smtp.set_debuglevel(self.verbose)
        self.smtp.connect(self.host, self.port)
        #self.smtp.starttls() # if self.smtp is a plain smtplib.SMTP object
        self.smtp.login(self.username, self.password)
        return

    def send(self, to_addr, headers, body):
        msg = MIMEText(body.encode('utf-8'), 'html', 'utf-8')
        for h,v in headers.items():
            msg[h] = v
        if self.smtp is None:
            # Try to connect first
            self.connect()
        from_addr = self.username
        self.smtp.sendmail(from_addr, to_addr, msg.as_string())
        return

    def __del__(self):
        if self.smtp:
            self.smtp.quit()