sendMail.py

import smtplib, ssl, configparser, sys, os

def sendNotification(subject, description):
    path = os.path.dirname(os.path.abspath(__file__))
    config = configparser.ConfigParser()
    config.read(path + '/config.ini')
    smtp_server = config.get('email', 'SmtpServer')
    port = config.get('email', 'SmtpPort')
    user = config.get('email', 'SmtpUser')
    password = config.get('email', 'SmtpPassword')
    sender = config.get('email', 'SmtpSender')
    recipient = config.get('email', 'MailRecipient')
    prefix = config.get('email', 'MailPrefix')
    headers = "From: %s\nTo: %s\nSubject: %s\n\n" % (sender, recipient, prefix + ' ' + subject)
    body = "Recurring task is due: " + description
    if subject == 'Error':
        body = "Error: " + description

    message = headers + body
    context = ssl.create_default_context()

    if config.get('email', 'EncryptionMode') == '2':
        with smtplib.SMTP(smtp_server, port) as server:
            server.starttls(context=context)
            if config.get('email', 'SmtpUser'):
                server.login(user, password)
            server.sendmail(sender, recipient, message)

    if config.get('email', 'EncryptionMode') == '1':
        with smtplib.SMTP_SSL(smtp_server, port) as server:
            if config.get('email', 'SmtpUser'):
                server.login(user, password)
            server.sendmail(sender, recipient, message)

    if config.get('email', 'EncryptionMode') == '0':
        with smtplib.SMTP(smtp_server, port) as server:
            server.ehlo()
            if config.get('email', 'SmtpUser'):
                server.login(user, password)
            server.sendmail(sender, recipient, message)