dovecot.org/releases/2.0/dovecot ... tar.gz.sig
As promised last Friday, here's the v2.0.0 release finally. I'm cautiously optimistic that v2.0.1 won't (have to) be released for a few weeks, since there was quite a lot of testing and fixing going on in the RC stage.
Remember to read wiki2.dovecot.org/Upgrading/2.0 before upgrading from v1.x. Although there is automatic config conversion, it can't handle everything, so reserve some extra time for upgrading. If you find an upgrade problem that isn't listed on the wiki page, please add it there or email Dovecot mailing list about it.
Pigeonhole Sieve and ManageSieve support can now be installed without patching Dovecot. Unfortunately there isn't a Pigeonhole release yet for v2.0, but its Mercurial code tree should be quite stable. See wiki2.dovecot.org/Pigeonhole
There are no changes since v2.0.rc6. The largest changes since v1.2 are:
* Dovecot uses two system users for internal purposes now by default:
dovenull and dovecot. You need to create the dovenull user or change default_login_user setting.
* Global ACLs are now looked up using namespace prefixes. For example if you previously had INBOX. namespace prefix and a global ACL for "INBOX.Sent", it's now looked up from "INBOX.Sent" file instead of "Sent" as before.
* Maildir: File permissions are no longer based on dovecot-shared file, but the mailbox directory.
+ Redesigned master process. It's now more modular and there is less code running as root.
+ Configuration supports now per-local/remote ip/network settings.
+ dsync utility does a two-way mailbox synchronization.
+ LMTP server and proxying.
+ Added mdbox (multi-dbox) mail storage backend.
+ doveadm utility can be used to do all kinds of administration functions. Old dovecotpw and *view utilities now exist in its subcommands.
+ imap and pop3 processes can now handle multiple connections.
+ IMAP: COMPRESS=DEFLATE is supported by imap_zlib plugin
+ director service helps NFS installations to redirect users always to same server to avoid corruption
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