Cacher is the code snippet organizer for pro developers

# set up the SMTP server
# for qmul:
# host = smtp-mail.outlook.com
# port = 587
# username, password = full hh..@qmul.ac.uk email address
import smtplib
from os.path import basename
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import sys

try:
    s = smtplib.SMTP(host=<smtp_host>, port=<smtp_port>)
    s.starttls()
    s.login(<username>, <password>)
except Exception as e:
    print(e)
    sys.exit(1)

def send_email(to, email_from, subject, body, attachments = [], reply_to = None):
    """
    Sends an email to a list of recipients
    to: list of email address of recipients
    email_from: email address to send from
    subject: subject line of email
    body: body text in html
    attachments: list of filepaths to attachments to include
    reply_to: email address to reply to
    """
    # create the message
    msg = MIMEMultipart()
    # setup the parameters of the message
    msg['From'] = email_from
    msg['To'] = ', '.join(to)
    msg['Subject'] = subject
    msg['reply-to'] = email_from if reply_to is None else reply_to  
    # add in the message body
    msg.attach(MIMEText(body, 'html'))
    for f in attachments:
        # add in attachment
        with open(f, "rb") as fil:
            part = MIMEApplication(
                fil.read(),
                Name=basename(f)
            )
            # After the file is closed
            part['Content-Disposition'] = 'attachment; filename="%s"' % basename(f)
            msg.attach(part)
    # send the message via the server set up earlier.
    s.send_message(msg)