In this chapter, we will cover the following recipes:

• Listing the files in a remote FTP server
• Uploading a local file to a remote FTP server
• Emailing your current working directory as a compressed ZIP file
• Downloading your Google email with POP3
• Checking your remote email with IMAP
• Sending an email with an attachment via the Gmail SMTP server
• Writing a guest book for your (Python-based) web server with CGI
• Finding the mail server from an email address
• Writing a simple SMTP server
• Writing a secure SMTP client using TLS
• Writing a simple POP3 client