Send HTML emails with Python

Send HTML emails with Python

To send HTML emails with Python, you can use the built-in smtplib and email libraries. Here's a step-by-step guide on how to send an HTML email using these libraries:

  • Import the necessary modules:
import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText
  • Set up your email configuration:
# SMTP server settings (for example, using Gmail) smtp_server = "smtp.gmail.com" # Change to your SMTP server smtp_port = 587 # Port for TLS encryption (587 for Gmail) # Your email credentials sender_email = "your_email@gmail.com" # Your email address sender_password = "your_password" # Your email password # Recipient email address recipient_email = "recipient@example.com" # Replace with the recipient's email address
  • Create the HTML content for your email:
html_content = """ <html> <head></head> <body> <h1>Hello, this is an HTML email!</h1> <p>This email contains HTML content.</p> </body> </html> """
  • Create an MIMEMultipart message object:
message = MIMEMultipart() message["From"] = sender_email message["To"] = recipient_email message["Subject"] = "HTML Email Subject"
  • Attach the HTML content to the message:
message.attach(MIMEText(html_content, "html"))
  • Connect to the SMTP server and send the email:
try: server = smtplib.SMTP(smtp_server, smtp_port) server.starttls() # Enable TLS encryption server.login(sender_email, sender_password) server.sendmail(sender_email, recipient_email, message.as_string()) print("Email sent successfully!") except Exception as e: print(f"Error: {str(e)}") finally: server.quit()

Replace the placeholders with your actual email information. Make sure to allow access to your email account for less secure apps (for Gmail, you may need to enable "Allow less secure apps" in your account settings).

This example sends an HTML email using Gmail's SMTP server, but you can adjust the SMTP server settings according to your email provider.

Make sure to secure your email credentials and consider using environment variables or configuration files to store sensitive information.

Examples

  1. "How to send HTML emails with Python using smtplib"
    • Description: This query focuses on using the smtplib library, which is a built-in SMTP client in Python, to send HTML-formatted emails programmatically.
    • Code:
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Create HTML message html = """ <html> <body> <h1>Hello!</h1> <p>This is a test email.</p> </body> </html> """ html_part = MIMEText(html, 'html') # Attach HTML message to container msg.attach(html_part) # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  2. "Send HTML emails with Python using MIMEText"
    • Description: This query involves using the MIMEText class from the email.mime.text module to construct HTML emails in Python.
    • Code:
      import smtplib from email.mime.text import MIMEText # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message msg = MIMEText('<html><body><h1>Hello!</h1><p>This is a test email.</p></body></html>', 'html') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  3. "Sending HTML emails with Python using Flask-Mail"
    • Description: This query revolves around utilizing the Flask extension Flask-Mail to send HTML emails within a Flask application.
    • Code:
      from flask import Flask from flask_mail import Mail, Message app = Flask(__name__) app.config['MAIL_SERVER'] = 'your_smtp_server' app.config['MAIL_PORT'] = 587 app.config['MAIL_USE_TLS'] = True app.config['MAIL_USERNAME'] = 'your_email@example.com' app.config['MAIL_PASSWORD'] = 'your_password' mail = Mail(app) @app.route("/") def send_email(): msg = Message('Subject of the Email', sender='your_email@example.com', recipients=['recipient@example.com']) msg.html = '<html><body><h1>Hello!</h1><p>This is a test email.</p></body></html>' mail.send(msg) return "Email sent successfully!" if __name__ == '__main__': app.run(debug=True)
  4. "How to send HTML emails with Python using SMTP_SSL"
    • Description: This query explores using the smtplib library's SMTP_SSL class to send HTML emails securely over SSL.
    • Code:
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 465 # SSL port sender_email = 'your_email@example.com' password = 'your_password' # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Create HTML message html = """ <html> <body> <h1>Hello!</h1> <p>This is a test email.</p> </body> </html> """ html_part = MIMEText(html, 'html') # Attach HTML message to container msg.attach(html_part) # Connect to SMTP server securely and send email with smtplib.SMTP_SSL(smtp_server, smtp_port) as server: server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  5. "Sending HTML emails with Python using yagmail"
    • Description: This query involves using the yagmail library, which simplifies sending emails in Python, to send HTML-formatted emails.
    • Code:
      import yagmail sender_email = 'your_email@example.com' receiver_email = 'recipient@example.com' password = 'your_password' yag = yagmail.SMTP(sender_email, password) subject = 'Subject of the Email' html_content = '<html><body><h1>Hello!</h1><p>This is a test email.</p></body></html>' yag.send(receiver_email, subject, html_content)
  6. "How to send HTML emails with Python using email.message"
    • Description: This query focuses on constructing HTML emails using the email.message module in Python.
    • Code:
      import smtplib from email.message import EmailMessage # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message msg = EmailMessage() msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' msg.set_content('This is a test email.') msg.add_alternative('<html><body><h1>Hello!</h1><p>This is a test email.</p></body></html>', subtype='html') # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.send_message(msg)
  7. "Sending HTML emails with Python using MIMEBase"
    • Description: This query explores using the MIMEBase class from the email.mime.base module to send HTML emails.
    • Code:
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.base import MIMEBase from email import encoders # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Create HTML message html = """ <html> <body> <h1>Hello!</h1> <p>This is a test email.</p> </body> </html> """ html_part = MIMEBase('text', 'html') html_part.set_payload(html) encoders.encode_base64(html_part) # Attach HTML message to container msg.attach(html_part) # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  8. "How to send HTML emails with Python using MIMEImage"
    • Description: This query involves using the MIMEImage class from the email.mime.image module to include images in HTML emails.
    • Code:
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.image import MIMEImage # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Create HTML message with image html = """ <html> <body> <h1>Hello!</h1> <p>This is a test email with an image:</p> <img src="cid:image1"> </body> </html> """ html_part = MIMEText(html, 'html') msg.attach(html_part) # Attach image with open('image.jpg', 'rb') as f: image_part = MIMEImage(f.read()) image_part.add_header('Content-ID', '<image1>') msg.attach(image_part) # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  9. "Sending HTML emails with Python using a template engine"
    • Description: This query explores using template engines like Jinja2 or Mako to construct HTML emails dynamically in Python.
    • Code: (Using Jinja2)
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from jinja2 import Environment, FileSystemLoader # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Load Jinja2 template env = Environment(loader=FileSystemLoader('.')) template = env.get_template('email_template.html') html = template.render(name='John Doe') # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Attach HTML message to container html_part = MIMEText(html, 'html') msg.attach(html_part) # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())
  10. "Sending HTML emails with Python using MIMEAudio"
    • Description: This query involves using the MIMEAudio class from the email.mime.audio module to include audio files in HTML emails.
    • Code: (Example with MP3 file)
      import smtplib from email.mime.multipart import MIMEMultipart from email.mime.audio import MIMEAudio # Set up the SMTP server smtp_server = 'your_smtp_server' smtp_port = 587 sender_email = 'your_email@example.com' password = 'your_password' # Create message container msg = MIMEMultipart('alternative') msg['Subject'] = 'Subject of the Email' msg['From'] = sender_email msg['To'] = 'recipient@example.com' # Create HTML message with audio html = """ <html> <body> <h1>Hello!</h1> <p>This is a test email with an audio file:</p> <audio controls> <source src="cid:audio1" type="audio/mp3"> Your browser does not support the audio element. </audio> </body> </html> """ html_part = MIMEText(html, 'html') msg.attach(html_part) # Attach audio file with open('audio.mp3', 'rb') as f: audio_part = MIMEAudio(f.read()) audio_part.add_header('Content-ID', '<audio1>') msg.attach(audio_part) # Connect to SMTP server and send email with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() server.login(sender_email, password) server.sendmail(sender_email, 'recipient@example.com', msg.as_string())

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