How to send email attachments in python?

How to send email attachments in python?

To send email attachments in Python, you can use the built-in smtplib library for sending emails and the email library for creating and formatting the email message with attachments. Here's a step-by-step guide on how to send email attachments:

  • Import the necessary libraries:
import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.application import MIMEApplication
  • Define your email parameters, including the sender and recipient email addresses, subject, and message body:
# Email configuration sender_email = 'your_email@gmail.com' receiver_email = 'recipient_email@example.com' subject = 'Email with Attachment' message = 'Please find the attached file.'
  • Create a MIMEMultipart object to hold the email content:
# Create a MIMEMultipart object msg = MIMEMultipart() msg['From'] = sender_email msg['To'] = receiver_email msg['Subject'] = subject
  • Attach the message body to the MIMEMultipart object:
# Attach the message body msg.attach(MIMEText(message, 'plain'))
  • Open the file you want to attach and create a MIMEApplication object for it:
# File path and name file_path = 'path/to/your/file.txt' file_name = 'file.txt' # Open the file to attach with open(file_path, 'rb') as attachment: part = MIMEApplication(attachment.read(), Name=file_name)
  • Set the necessary headers for the attachment:
# Add the attachment header part['Content-Disposition'] = f'attachment; filename={file_name}'
  • Attach the file to the MIMEMultipart object:
# Attach the file to the email msg.attach(part)
  • Establish a connection to your SMTP server and send the email:
# SMTP server configuration (for Gmail) smtp_server = 'smtp.gmail.com' smtp_port = 587 smtp_username = 'your_email@gmail.com' smtp_password = 'your_email_password' # Create an SMTP session with smtplib.SMTP(smtp_server, smtp_port) as server: server.starttls() # Secure the connection server.login(smtp_username, smtp_password) # Log in to your email account server.sendmail(sender_email, receiver_email, msg.as_string()) # Send the email with attachment

Remember to replace 'your_email@gmail.com', 'recipient_email@example.com', 'your_email_password', and the file paths/names with your actual email addresses, passwords, and file information.

This example demonstrates how to send an email with a single attachment. You can adapt it to send emails with multiple attachments by creating and attaching additional MIMEApplication objects for each file you want to include.

Examples

  1. Sending email with attachments in Python using smtplib: To send an email with attachments in Python, you can use the smtplib library. Here's how you can implement it:

    import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.base import MIMEBase from email import encoders # Email details sender_email = "your_email@gmail.com" receiver_email = "recipient_email@gmail.com" subject = "Email with attachment" body = "This email contains an attachment." # Create message container message = MIMEMultipart() message['From'] = sender_email message['To'] = receiver_email message['Subject'] = subject # Attach body message.attach(MIMEText(body, 'plain')) # Attach file filename = "example.txt" attachment = open(filename, "rb") part = MIMEBase('application', 'octet-stream') part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header('Content-Disposition', f"attachment; filename= {filename}") message.attach(part) # Connect to SMTP server and send email with smtplib.SMTP('smtp.gmail.com', 587) as server: server.starttls() server.login(sender_email, "your_password") server.sendmail(sender_email, receiver_email, message.as_string())

    Replace "your_email@gmail.com", "recipient_email@gmail.com", and "your_password" with your actual email credentials.

  2. Sending email with attachments in Python using smtplib and MIMEImage: You can also attach images to an email in Python using the smtplib library and MIMEImage class. Here's an example:

    import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.image import MIMEImage # Email details sender_email = "your_email@gmail.com" receiver_email = "recipient_email@gmail.com" subject = "Email with image attachment" body = "This email contains an image attachment." # Create message container message = MIMEMultipart() message['From'] = sender_email message['To'] = receiver_email message['Subject'] = subject # Attach body message.attach(MIMEText(body, 'plain')) # Attach image with open("image.jpg", "rb") as attachment: image_part = MIMEImage(attachment.read()) image_part.add_header('Content-Disposition', 'attachment', filename="image.jpg") message.attach(image_part) # Connect to SMTP server and send email with smtplib.SMTP('smtp.gmail.com', 587) as server: server.starttls() server.login(sender_email, "your_password") server.sendmail(sender_email, receiver_email, message.as_string())

    Replace "your_email@gmail.com", "recipient_email@gmail.com", and "your_password" with your actual email credentials.

  3. Sending email with PDF attachment in Python: If you want to send a PDF attachment in Python, you can achieve it using smtplib and MIMEApplication. Here's how:

    import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.application import MIMEApplication # Email details sender_email = "your_email@gmail.com" receiver_email = "recipient_email@gmail.com" subject = "Email with PDF attachment" body = "This email contains a PDF attachment." # Create message container message = MIMEMultipart() message['From'] = sender_email message['To'] = receiver_email message['Subject'] = subject # Attach body message.attach(MIMEText(body, 'plain')) # Attach PDF with open("document.pdf", "rb") as attachment: pdf_part = MIMEApplication(attachment.read(), _subtype="pdf") pdf_part.add_header('Content-Disposition', 'attachment', filename="document.pdf") message.attach(pdf_part) # Connect to SMTP server and send email with smtplib.SMTP('smtp.gmail.com', 587) as server: server.starttls() server.login(sender_email, "your_password") server.sendmail(sender_email, receiver_email, message.as_string())

    Replace "your_email@gmail.com", "recipient_email@gmail.com", and "your_password" with your actual email credentials.

  4. Sending email with multiple attachments in Python: If you need to send multiple attachments in an email, you can do so by adding multiple attachments to the message. Here's an example:

    import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.base import MIMEBase from email import encoders # Email details sender_email = "your_email@gmail.com" receiver_email = "recipient_email@gmail.com" subject = "Email with multiple attachments" body = "This email contains multiple attachments." # Create message container message = MIMEMultipart() message['From'] = sender_email message['To'] = receiver_email message['Subject'] = subject # Attach body message.attach(MIMEText(body, 'plain')) # Attach files filenames = ["file1.txt", "file2.txt"] for filename in filenames: attachment = open(filename, "rb") part = MIMEBase('application', 'octet-stream') part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header('Content-Disposition', f"attachment; filename= {filename}") message.attach(part) # Connect to SMTP server and send email with smtplib.SMTP('smtp.gmail.com', 587) as server: server.starttls() server.login(sender_email, "your_password") server.sendmail(sender_email, receiver_email, message.as_string())

    Replace "your_email@gmail.com", "recipient_email@gmail.com", and "your_password" with your actual email credentials, and ensure that filenames contains the filenames of the attachments you want to send.

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