Project Summary
The Cyrus IMAP server differs from other IMAP server implementations in that it is generally intended to be run on sealed servers, where normal users are not permitted to log in. The mailbox database is stored in parts of the filesystem that are private to the Cyrus IMAP system. All user access to mail is through the IMAP, POP3, or KPOP protocols.
The private mailbox database design gives the server large advantages in efficiency, scalability, and administratability. Multiple concurrent read/write connections to the same mailbox are permitted. The server supports access control lists on mailboxes and storage quotas on mailbox hierarchies.
In a Nutshell, Cyrus IMAP...
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has a well established, mature codebase
maintained by a large development team
with decreasing Y-O-Y commits -
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took an estimated 242 years of effort (COCOMO model)
starting with its first commit in July, 1993
ending with its most recent commit 6 days ago
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30 Day Summary Apr 23 2013 — May 23 2013
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12 Month Summary May 23 2012 — May 23 2013
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Black Duck Software, Inc.
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