SMTP Email Tester

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

HOST = 'smtp.example.com'
PORT = 587
USERNAME = 'your@email.com'
PASSWORD = 'your_password'

msg = MIMEMultipart()
msg['Subject'] = 'Test Email from SMTP Tester'
msg['From'] = 'from@example.com'
msg['To'] = 'to@example.com'
msg.attach(MIMEText('''Hello!

This is a test email sent via the SMTP Tester tool.

If you received this, your SMTP configuration is working correctly.''', 'plain'))

try:
    with smtplib.SMTP(HOST, PORT) as smtp:
        smtp.ehlo()
        smtp.starttls()
        smtp.login(USERNAME, PASSWORD)
        smtp.send_message(msg)
        print("Email sent successfully!")
except Exception as e:
    print(f"Error: {e}")