Pine

Pine supports the following protocols:

• SMTP
• MIME
• IMAP
• NNTP
• POP3

   Outlook Express

Outlook Express supports the following protocols:

• SMTP
• POP3
• IMAP
• NNTP
• HTTP

Definitions

• Simple Mail Transport Protocol (SMTP)

SMTP is used for sending email it is very efficiently (it is to replay mail access transport service provides an inter-process communication environment (IPCE) it may cover one or several or subset of network. A process can communicate directly with another process through IPEC). It was defined in 1982 as an RFC 821.

• Multipurpose Internet Mail Extensions (MIME):

It used for "encoding a multipart message structure into a standard internet email message" and it is also used for exchange a binary files(images, spreadsheets,..) and it used a US-ASCII text, and it used with multi-media, Audio, and Video messages .it allowed to attach any file to your message. it was accessible in 1992 an RFC 822..

• Internet Message Access Protocol (IMAP)

IMAP is used for accessing electronic mail. With IMAP the user is able to access a new or saved message from more than one computer (multiple computer). It allows a user to access or store a remote message .

• Network News Transport Protocol (NNTP)

It is defined by RFC 977. It is a first Unix reference implementation. It allows the users to read, retrieve, send and post a news. It offers a supply way for active and passive news transfer, called (pushing and pulling news).

• Post Office Protocol 3 (POP3)

The oldest Protocol used by email which almost every email program supports. It is an easy mail protocol for retrieving internet email. It has by a large been replaced with IMAP. It has been provide by Logix Development Corporation.

• PICO

It is a very-small-text editing program used by the pine email program . It was developed by the Computing and Communication group at University of Washington. It use ASCII text . PICO is used for sending, searching, entering, file browser , spelling checker and paragraph justification.

• Pilot

Pilot means "Pine's Lister of Things" and is available as a stand-alone program for Unix hosts in the new version of 3.92. what it has inside is a Pine built-in file manager, which for example selects files for reclamation in composed messages.