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POP3/IMAP 邮件服务器,Dovecot 2.1.5

Dovecot 是一个开源的 IMAP 和 POP3 邮件服务器,支持 Linux/Unix 系统。

POP / IMAP 是 MUA 从邮件服务器中读取邮件时使用的协议。其中,与 POP3 是从邮件服务器中下载邮件比起来,IMAP4 则是将邮件留在服务器端直接对邮件进行管理、操作。而Dovecot 是一个比较新的软件,由 Timo Sirainen 开发,最初发布于 2002年7月。作者将安全性考虑在第一,所以 Dovecot 在安全性方面比较出众。另外,Dovecot 支持多种认证方式,所以在功能方面也比较符合一般的应用。

2012-04-23发布2.1.5  上一个版本是2012年04月09日的2.1.4.修正了一些bug.

完全改进:

	* IMAP: When neither the session nor the mailbox has modseq tracking
	  enabled, return the mailbox as having NOMODSEQ in SELECT/EXAMINE
	  reply. Old versions in this situation always simply returned
	  HIGHESTMODSEQ as 1, which could have broken some clients.

	+ dict file: Added optional fcntl/flock locking (default is dotlock)
	+ fts-solr: doveadm fts rescan now resets indexes, which allows
	  reindexing mails. (This isn't a full rescan implementation like
	  fts-lucene has.)
	+ doveadm expunge: Added -d parameter to delete mailbox if it's
	  empty after expunging.
	- IMAP: Several fixes related to mailbox listing in some configs
	- director: A lot of fixes and performance improvements
	- v2.1.4 didn't work without a mail home directory set
	- mbox: Deleting a mailbox didn't delete its index files.
	- pop3c: top command was sent incorrectly
	- trash plugin didn't work properly
	- LMTP: Don't add a duplicate Return-Path: header when proxying.
	- listescape: Don't unescape namespace prefixes.

下载地址:http://www.dovecot.org/releases/2.1/dovecot-2.1.5.tar.gz

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