mail_sender.py

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

class MailSender():
    """
    Send mails by smtplib with easy interfaces.
    """

    def __init__(self, host="smtp.live.com", port="25", auto_cc=False):
        self.host = host
        self.port = port
        self.auto_cc = auto_cc

    def authenticated(self, username="", password=""):
        self.username = username
        self.password = password
        self.server = smtplib.SMTP()
        self.server.connect(self.host, self.port)
        self.server.starttls()
        try:
            self.server.login(self.username, self.password)
        except Exception as e:
            return False
        return True

    def compose(self, to=[], subject="", message=""):
        if isinstance(to, str):
            self.receiver = [to]
        elif isinstance(to, list):
            self.receiver = to

        if self.auto_cc:
            self.receiver.append(self.username)

        if isinstance(message, str):
            self.message = """From: %s\r\nTO: %s\r\nSubject: %s\r\n

            %s
            """ % (self.username, ", ".join(self.receiver), subject, message)
        elif isinstance(message, MIMEText):
            message["Subject"] = subject
            message["From"] = self.username
            message["To"] = ", ".join(self.receiver)
            self.message = message.as_string()

    def send(self):
        try:
            self.server.sendmail(self.username, self.receiver, self.message)
        except Exception as e:
            print traceback.print_exc()
        finally:
            self.server.quit()

if __name__ == "__main__":
    ms = MailSender()
    if ms.authenticated(username="yangwupek@outlook.com", password="----------"):

        ms.compose(to=["yangwuist@outlook.com","sharpevo@outlook.com"],
                   subject="test again",
                   message="This is a test from MailSender Object\r\n TEST")
        ms.send()
        ms.compose(to="sharpevo@outlook.com",
                   subject="test again",
                   message="Only to sharpevo\r\n TEST")
        ms.send()

        ms.compose(to=["yangwuist@outlook.com","sharpevo@outlook.com"],
                   subject="test again",
                   message=MIMEText("""Send from <b>Python</b><br/>Regards""",
                                    "html",
                                    "utf-8"))
        ms.send()
        ms.compose(to="sharpevo@outlook.com",
                   subject="test again",
                   message=MIMEText("""Send from <b>Python</b><br/>Regards""",
                                    "html",
                                    "utf-8"))
        ms.send()