emailserver.tac - a toy email server.
sendmail_smtp.py - sending email over plain SMTP with the high-level sendmail client.
sendmail_gmail.py - sending email encrypted ESMTP to GMail with the high-level sendmail client.
sendmail_message.py - sending a complex message with the high-level sendmail client.
smtpclient_simple.py - sending email using SMTP.
smtpclient_tls.py - send email using authentication and transport layer security.
imap4client.py - Simple IMAP4 client which displays the subjects of all messages in a particular mailbox.