How Can I Easily Attach Files to Emails Using Python?

Attachable Attachments

As a Python novice, the prospect of attaching files to emails can be daunting. Let's tackle this task with a simplified understanding.

In Python, the smtplib library is commonly used for sending emails. To attach files, we can harness the MIME (Multipurpose Internet Mail Extensions) modules.

The sample code below is a simplified way to accomplish this:

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

# Define email details
sender = 'alice@example.com'
recipients = ['bob@example.org', 'carol@example.net']
subject = 'Hello from Python!'
text_body = 'This is the email body.'
files = ['file1.txt', 'file2.pdf']

# Create the email message
message = MIMEMultipart()
message['From'] = sender
message['To'] = ', '.join(recipients)
message['Subject'] = subject
message.attach(MIMEText(text_body))

# Attach files
for filename in files:
    with open(filename, 'rb') as f:
        attachment = MIMEApplication(f.read(), Name=filename)
    attachment['Content-Disposition'] = 'attachment; filename="%s"' % filename
    message.attach(attachment)

# Send the email
smtp = smtplib.SMTP('localhost')
smtp.sendmail(sender, recipients, message.as_string())
smtp.quit()

This code uses MIMEApplication to attach files to the message. The Content-Disposition header specifies that the attachment should be opened as a separate file.

Voila, you can now confidently send email attachments in Python. Embrace the simplicity and let these helper functions make your life easier!

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