Mulberry is an open-source

email client An email client, email reader or, more formally, message user agent (MUA) or mail user agent is a computer program used to access and manage a user's email. A web application which provides message management, composition, and reception functio ...

marketed by Cyrusoft from approximately 1995 to 2005. On October 1, 2005, Cyrusoft International, Inc./ISAMET, declared Chapter 7 bankruptcy and went out of business. In August 2006, rights to the

source code In computing, source code, or simply code, is any collection of code, with or without comments, written using a human-readable programming language, usually as plain text. The source code of a program is specially designed to facilitate the w ...

were acquired by Cyrus Daboo, the original author. Originally developed for the

Apple Macintosh The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc., Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and ...

, versions now exist for that platform as well as Microsoft Windows and

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, w ...

using the

X window system The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting wi ...

. Mulberry's strengths include strict compliance with Internet standards such as

IMAP In computing, the Internet Message Access Protocol (IMAP) is an Internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection. IMAP is defined by . IMAP was designed with the goal of per ...

LDAP The Lightweight Directory Access Protocol (LDAP ) is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network. Directory servi ...

, IMSP, ACAP, and

iCalendar The Internet Calendaring and Scheduling Core Object Specification (iCalendar) is a media type which allows users to store and exchange calendaring and scheduling information such as events, to-dos, journal entries, and free/busy information, a ...

, a unique

GUI The GUI ( "UI" by itself is still usually pronounced . or ), graphical user interface, is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, inste ...

for defining

Sieve (mail filtering language) Sieve is a programming language that can be used for email filtering. It owes its creation to the CMU Cyrus Project, creators of Cyrus IMAP server. The language is not tied to any particular operating system or mail architecture. It requires the u ...

scripts and support for IMAP disconnected operation. As of August 20, 2006, with version 4.0.5, Mulberry was made available at no cost, but remained proprietary. The most recent version, 4.0.8, was released for Macintosh (as a

Universal Binary The universal binary format is, in Apple parlance, a format for executable files that run natively on either PowerPC or Intel-manufactured IA-32 or Intel 64 or ARM64-based Macintosh computers. The format originated on NeXTStep as " Multi ...

), Windows, and Linux on February 23, 2007. However, Cyrus Daboo made Mulberry available as open source on all three platforms on November 21, 2007, under the terms of the Apache License 2.0.Mulberry Email client
on macintoshgarden

External links

*
Mulberry Guide
at the

University of Sussex , mottoeng = Be Still and Know , established = , type = Public research university , endowment = £14.4 million (2020) , budget = £319.6 million (2019–20) , chancellor = Sanjeev Bhaskar , vice_chancellor = Sasha Roseneil , ...

References

Companies that have filed for Chapter 7 bankruptcy Companies that filed for Chapter 7 bankruptcy in 2005 Formerly proprietary software Email client software for Linux Classic Mac OS email clients MacOS email clients Windows email clients 1995 software {{network-software-stub