General Features: Checking against email address Syntax Checking Against Email Address DNS/MX Record Checking Against Email Address Mail Server Checking Against Email Address SMTP (sending email) Ability to send one or more Ability to send HTML email Support for SMTP server authentication Ability to add custom headers Ability to send bulk email POP3 (receiving email) Ability to communicate with POP3 server Ability to retrieve messages from POP3 server Ability to delete messages from POP3 server Ability to easily store messages to disk FTP User can connect to any FTP server Work with directory on server - get current directory name, change working directory, create or remove directory on FTP server User can get file list of current working directory from FTP server User can upload a file, download a file, rename a file or remove a file from FTP server Provides method to disconnect from FTP server