YPOPs! is open-source software

Open-source software

Open-source software is computer software that is available in source code form: the source code and certain other rights normally reserved for copyright holders are provided under a software license that permits users to study, change, improve and at times also to distribute the software.Open...

 that provides POP3

Post Office Protocol

In computing, the Post Office Protocol is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. POP and IMAP are the two most prevalent Internet standard protocols for e-mail retrieval. Virtually all modern...

 and SMTP

Simple Mail Transfer Protocol

Simple Mail Transfer Protocol is an Internet standard for electronic mail transmission across Internet Protocol networks. SMTP was first defined by RFC 821 , and last updated by RFC 5321 which includes the extended SMTP additions, and is the protocol in widespread use today...

 access to Yahoo! Mail

Yahoo! Mail

Yahoo! Mail is a web mail service provided by Yahoo!. It was inaugurated in 1997, and, according to comScore, Yahoo! Mail was the second largest web-based email service with 273.1 million users as of November 2010....

. It is available on the Microsoft Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

, Linux

Linux

Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...

, Solaris and Mac

Mac OS X

Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...

 platforms. The project was started by Anuj Seth in 2002 and is now supported by a larger community of developers.

Today is 8/22/2011 -- there do not seem to be any successful current users of ypops because of changes to yahoo mail.

YPOPs! acts as a gateway

Gateway (computer program)

A gateway is a link between two computer programs or systems such as Internet Forums. A gateway acts as a portal between two programs allowing them to share information by communicating between protocols on a computer or between dissimilar computers....

. It provides a POP3 server interface at one end to communicate with email clients, and an HTTP client (browser) interface at the other which communicates with Yahoo! It does not go against the license agreements of Yahoo! Mail. Email clients that support POP3 and SMTP are supported.

History

Yahoo! Mail disabled free access to its (US) POP3 service on April 24, 2002 (however paying subscribers to premium Yahoo! Mail services could continue to access POP3).

YPOPs! was inspired by a Perl script called FetchYahoo! written by Ravi Ramkissoon. It has built a large installed base and an active community of people that support users via a discussion forum on its official website.

External links

• YPOPs - Official Website
• SourceForge - YPOPs