gnu: dovecot: Update to 2.3.0.

* gnu/packages/mail.scm (dovecot): Update to 2.3.0.
* gnu/services/mail.scm (dovecot-configuration)[director-doveadm-port]
[ssl-parameters-regenerate]: Delete fields.
[ssl-protocols]: Rename to...
[ssl-min-protocol]: ...this.
[mail-log-prefix, mdbox-rotate-size, ssl-cipher-list, imap-logout-format]:
Update default values.
* doc/guix.texi (Mail Services): Reflect the above changes to the service.

doc/guix.texi

@@ -13072,13 +13072,6 @@ has any connections.
 Defaults to @samp{"15 min"}.
 @end deftypevr
 
-@deftypevr {@code{dovecot-configuration} parameter} non-negative-integer director-doveadm-port
-TCP/IP port that accepts doveadm connections (instead of director
-connections) If you enable this, you'll also need to add
-@samp{inet-listener} for the port.
-Defaults to @samp{0}.
-@end deftypevr
-
 @deftypevr {@code{dovecot-configuration} parameter} string director-username-hash
 How the username is translated before being hashed.  Useful values
 include %Ln if user can log in with or without @@domain, %Ld if mailboxes
@@ -13171,7 +13164,7 @@ Defaults to @samp{"%$: %s"}.
 @deftypevr {@code{dovecot-configuration} parameter} string mail-log-prefix
 Log prefix for mail processes.  See doc/wiki/Variables.txt for list
 of possible variables you can use.
-Defaults to @samp{"\"%s(%u): \""}.
+Defaults to @samp{"\"%s(%u)<%{pid}><%{session}>: \""}.
 @end deftypevr
 
 @deftypevr {@code{dovecot-configuration} parameter} string deliver-log-format
@@ -13516,7 +13509,7 @@ Defaults to @samp{0}.
 
 @deftypevr {@code{dovecot-configuration} parameter} non-negative-integer mdbox-rotate-size
 Maximum dbox file size until it's rotated.
-Defaults to @samp{2000000}.
+Defaults to @samp{10000000}.
 @end deftypevr
 
 @deftypevr {@code{dovecot-configuration} parameter} string mdbox-rotate-interval
@@ -13654,21 +13647,14 @@ x500UniqueIdentifier are the usual choices.  You'll also need to set
 Defaults to @samp{"commonName"}.
 @end deftypevr
 
-@deftypevr {@code{dovecot-configuration} parameter} hours ssl-parameters-regenerate
+@deftypevr {@code{dovecot-configuration} parameter} string ssl-min-protocol
-How often to regenerate the SSL parameters file.  Generation is
+Minimum SSL protocol version to accept.
-quite CPU intensive operation.  The value is in hours, 0 disables
+Defaults to @samp{"TLSv1"}.
-regeneration entirely.
-Defaults to @samp{168}.
-@end deftypevr
-
-@deftypevr {@code{dovecot-configuration} parameter} string ssl-protocols
-SSL protocols to use.
-Defaults to @samp{"!SSLv2"}.
 @end deftypevr
 
 @deftypevr {@code{dovecot-configuration} parameter} string ssl-cipher-list
 SSL ciphers to use.
-Defaults to @samp{"ALL:!LOW:!SSLv2:!EXP:!aNULL"}.
+Defaults to @samp{"ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@@STRENGTH"}.
 @end deftypevr
 
 @deftypevr {@code{dovecot-configuration} parameter} string ssl-crypto-device
@@ -13770,7 +13756,8 @@ total number of bytes read from client
 @item %o
 total number of bytes sent to client.
 @end table
-Defaults to @samp{"in=%i out=%o"}.
+See @file{doc/wiki/Variables.txt} for a list of all the variables you can use.
+Defaults to @samp{"in=%i out=%o deleted=%{deleted} expunged=%{expunged} trashed=%{trashed} hdr_count=%{fetch_hdr_count} hdr_bytes=%{fetch_hdr_bytes} body_count=%{fetch_body_count} body_bytes=%{fetch_body_bytes}"}.
 @end deftypevr
 
 @deftypevr {@code{dovecot-configuration} parameter} string imap-capability

gnu/packages/mail.scm

@@ -1137,7 +1137,7 @@ (define-public exim
 (define-public dovecot
   (package
     (name "dovecot")
-    (version "2.2.33.2")
+    (version "2.3.0")
     (source
      (origin
        (method url-fetch)
@@ -1145,7 +1145,7 @@ (define-public dovecot
                            (version-major+minor version) "/"
                            name "-" version ".tar.gz"))
        (sha256 (base32
-                "117f9i62liz2pm96zi2lpldzlj2knzj7g410zhifwmlsc1w3n7py"))))
+                "10c5myzgys866c3x6jdr1s9x9pqnjd5vpyz8z384sph21m3wnq6y"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))

gnu/services/mail.scm

@@ -2,6 +2,7 @@
 ;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
 ;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2017 Carlo Zancanaro <carlo@zancanaro.id.au>
+;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -745,12 +746,6 @@ (define-configuration dovecot-configuration
    "How long to redirect users to a specific server after it no longer
 has any connections.")
 
-  (director-doveadm-port
-   (non-negative-integer 0)
-   "TCP/IP port that accepts doveadm connections (instead of director
-connections) If you enable this, you'll also need to add
-@samp{inet-listener} for the port.")
-
   (director-username-hash
    (string "%Lu")
    "How the username is translated before being hashed.  Useful values
@@ -831,7 +826,7 @@ (define-configuration dovecot-configuration
 string, %$ contains the data we want to log.")
 
   (mail-log-prefix
-   (string "\"%s(%u): \"")
+   (string "\"%s(%u)<%{pid}><%{session}>: \"")
    "Log prefix for mail processes.  See doc/wiki/Variables.txt for list
 of possible variables you can use.")
 
@@ -1145,7 +1140,7 @@ (define-configuration dovecot-configuration
 updated.")
 
   (mdbox-rotate-size
-   (non-negative-integer #e2e6)
+   (non-negative-integer #e10e6)
    "Maximum dbox file size until it's rotated.")
 
   (mdbox-rotate-interval
@@ -1262,18 +1257,12 @@ (define-configuration dovecot-configuration
 x500UniqueIdentifier are the usual choices.  You'll also need to set
 @samp{auth-ssl-username-from-cert? #t}.")
 
-  (ssl-parameters-regenerate
+  (ssl-min-protocol
-   (hours 168)
+   (string "TLSv1")
-   "How often to regenerate the SSL parameters file.  Generation is
+   "Minimum SSL protocol version to accept.")
-quite CPU intensive operation.  The value is in hours, 0 disables
-regeneration entirely.")
-
-  (ssl-protocols
-   (string "!SSLv2")
-   "SSL protocols to use.")
 
   (ssl-cipher-list
-   (string "ALL:!LOW:!SSLv2:!EXP:!aNULL")
+   (string "ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH")
    "SSL ciphers to use.")
 
   (ssl-crypto-device
@@ -1356,14 +1345,15 @@ (define-configuration dovecot-configuration
 often.")
 
   (imap-logout-format
-   (string "in=%i out=%o")
+   (string "in=%i out=%o deleted=%{deleted} expunged=%{expunged} trashed=%{trashed} hdr_count=%{fetch_hdr_count} hdr_bytes=%{fetch_hdr_bytes} body_count=%{fetch_body_count} body_bytes=%{fetch_body_bytes}")
    "IMAP logout format string:
 @table @code
 @item %i
 total number of bytes read from client
 @item %o
 total number of bytes sent to client.
-@end table")
+@end table
+See @file{doc/wiki/Variables.txt} for a list of all the variables you can use.")
 
   (imap-capability
    (string "")