SMTP Module/Attachements.py

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders

host = "smtp.gmail.com"
port = 587

username = str(input("Enter Gmail Username : "))
password = str(input("Enter Gmail Password : "))
_to = username  # Add any other username you want by adding a comma.
_from = username
try:
    connection = smtplib.SMTP(host, port)
    connection.ehlo()
    connection.starttls()
    connection.login(username, password)
    print("\nCONNECTION SUCCESSFUL")

    message = MIMEMultipart("alternate")  # For the mail to understand HTML
    message["Subject"] = "Html Message"  # You can add Subjects as well.
    message["From"] = _from
    message["To"] = _to

    html_message = """
    <html>
        <body>
            <h3>ATTACHMENT</h3>
            <p>Hey! This Email contains an Attachment file.</p>
        </body>
    </html>
                    """
    msg = MIMEText(html_message, "html")
    message.attach(msg)

    filename = "Mail Attachments/name.txt"  # File path.
    openfile = open(filename, "rb")  # Opening the file.
    mimref = MIMEBase(
        "applicaiton", "octect_stream"
    )  # Telling the browser the way to open the file.
    mimref.set_payload(openfile.read())  # Setting the file as payload to be sent.
    encoders.encode_base64(mimref)  # Mail has to be encoded.
    mimref.add_header(
        "Content-Disposition", "openfile;filename=name.txt"
    )  # Setting attachmenet name and type.
    message.attach(mimref)  # Attaching the file.

    connection.sendmail(_from, _to, message.as_string())
    print("Message has been sent Successfully")
    connection.quit()
    print("Connection has been closed.")
except:
    print("CONNECTION ERROR")
    print("PROGRAM TERMINATED")