- update to exim 4.93
* SUPPORT_DMARC replaces EXPERIMENTAL_DMARC
* DISABLE_TLS replaces SUPPORT_TLS
* Bump the version for the local_scan API.
* smtp transport option hosts_try_fastopen defaults to "*".
* DNSSec is requested (not required) for all queries. (This seemes to
ask for trouble if your resolver is a systemd-resolved.)
* Generic router option retry_use_local_part defaults to "true" under specific
pre-conditions.
* Introduce a tainting mechanism for values read from untrusted sources.
* Use longer file names for temporary spool files (this avoids
name conflicts with spool on a shared file system).
* Use dsn_from main config option (was ignored previously).
OBS-URL: https://build.opensuse.org/request/show/756081
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=219
- update to exim 4.92
* ${l_header:<name>} expansion
* ${readsocket} now supports TLS
* "utf8_downconvert" option (if built with SUPPORT_I18N)
* "pipelining" log_selector
* JSON variants for ${extract } expansion
* "noutf8" debug option
* TCP Fast Open support on MacOS
- add workaround patch for compile time error on missing printf
format annotation (gnu_printf.patch)
OBS-URL: https://build.opensuse.org/request/show/675339
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=205
- update to 4.90.1
* Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
during configuration. Wildcards are allowed and expanded.
* Shorten the log line for daemon startup by collapsing adjacent sets of
identical IP addresses on different listening ports. Will also affect
"exiwhat" output.
* Tighten up the checking in isip4 (et al): dotted-quad components larger
than 255 are no longer allowed.
* Default openssl_options to include +no_ticket, to reduce load on peers.
Disable the session-cache too, which might reduce our load. Since we
currrectly use a new context for every connection, both as server and
client, there is no benefit for these.
* Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
<https://reproducible-builds.org/specs/source-date-epoch/>.
* Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
the check for any unsuccessful recipients did not notice the limit, and
erroneously found still-pending ones.
* Pipeline CHUNKING command and data together, on kernels that support
MSG_MORE. Only in-clear (not on TLS connections).
* Avoid using a temporary file during transport using dkim. Unless a
transport-filter is involved we can buffer the headers in memory for
creating the signature, and read the spool data file once for the
signature and again for transmission.
* Enable use of sendfile in Linux builds as default. It was disabled in
4.77 as the kernel support then wasn't solid, having issues in 64bit
mode. Now, it's been long enough. Add support for FreeBSD also.
* Add commandline_checks_require_admin option.
* Do pipelining under TLS.
* For the "sock" variant of the malware scanner interface, accept an empty
cmdline element to get the documented default one. Previously it was
inaccessible.
* Prevent repeated use of -p/-oMr
* DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
if present.
* DKIM: when a message has multiple signatures matching an identity given
in dkim_verify_signers, run the dkim acl once for each.
* Support IDNA2008.
* The path option on a pipe transport is now expanded before use
* Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
- Several bug fixes
- Fix for buffer overflow in base64decode() (bsc#1079832 CVE-2018-6789)
- removed patches (included upstream now):
* exim-CVE-2017-1000369.patch
* exim-CVE-2017-16943.patch
* exim-CVE-2017-16944.patch
* exim-4.86.2-mariadb_102_compile_fix.patch
old: server:mail/exim
new: home:kbabioch:branches:server:mail/exim rev None
Index: exim.changes
===================================================================
--- exim.changes (revision 200)
+++ exim.changes (revision 4)
@@ -1,4 +1,54 @@
-------------------------------------------------------------------
+Tue Feb 13 13:39:34 UTC 2018 - kbabioch@suse.com
+
+- update to 4.90.1
+ * Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
+ during configuration. Wildcards are allowed and expanded.
+ * Shorten the log line for daemon startup by collapsing adjacent sets of
+ identical IP addresses on different listening ports. Will also affect
+ "exiwhat" output.
+ * Tighten up the checking in isip4 (et al): dotted-quad components larger
+ than 255 are no longer allowed.
+ * Default openssl_options to include +no_ticket, to reduce load on peers.
+ Disable the session-cache too, which might reduce our load. Since we
+ currrectly use a new context for every connection, both as server and
+ client, there is no benefit for these.
+ * Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
+ <https://reproducible-builds.org/specs/source-date-epoch/>.
+ * Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
+ the check for any unsuccessful recipients did not notice the limit, and
+ erroneously found still-pending ones.
+ * Pipeline CHUNKING command and data together, on kernels that support
+ MSG_MORE. Only in-clear (not on TLS connections).
+ * Avoid using a temporary file during transport using dkim. Unless a
+ transport-filter is involved we can buffer the headers in memory for
+ creating the signature, and read the spool data file once for the
+ signature and again for transmission.
+ * Enable use of sendfile in Linux builds as default. It was disabled in
+ 4.77 as the kernel support then wasn't solid, having issues in 64bit
+ mode. Now, it's been long enough. Add support for FreeBSD also.
+ * Add commandline_checks_require_admin option.
+ * Do pipelining under TLS.
+ * For the "sock" variant of the malware scanner interface, accept an empty
+ cmdline element to get the documented default one. Previously it was
+ inaccessible.
+ * Prevent repeated use of -p/-oMr
+ * DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
+ if present.
+ * DKIM: when a message has multiple signatures matching an identity given
+ in dkim_verify_signers, run the dkim acl once for each.
+ * Support IDNA2008.
+ * The path option on a pipe transport is now expanded before use
+ * Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
+- Several bug fixes
+- Fix for buffer overflow in base64decode() (bsc#1079832 CVE-2018-6789)
+- removed patches (included upstream now):
+ * exim-CVE-2017-1000369.patch
+ * exim-CVE-2017-16943.patch
+ * exim-CVE-2017-16944.patch
+ * exim-4.86.2-mariadb_102_compile_fix.patch
+
+-------------------------------------------------------------------
Thu Nov 30 08:32:50 UTC 2017 - wullinger@rz.uni-kiel.de
- add exim-CVE-2017-16944.patch:
Index: exim.spec
===================================================================
--- exim.spec (revision 200)
+++ exim.spec (revision 4)
@@ -1,7 +1,7 @@
#
# spec file for package exim
#
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@@ -78,7 +78,7 @@
%endif
Requires(pre): fileutils textutils
%endif
-Version: 4.88
+Version: 4.90.1
Release: 0
%if %{with_mysql}
BuildRequires: mysql-devel
@@ -93,8 +93,8 @@
License: GPL-2.0+
Group: Productivity/Networking/Email/Servers
BuildRoot: %{_tmppath}/%{name}-%{version}-build
-Source: http://ftp.exim.org/pub/exim/exim4/old/exim-%{version}.tar.bz2
-Source3: http://ftp.exim.org/pub/exim/exim4/old/exim-%{version}.tar.bz2.asc
+Source: http://ftp.exim.org/pub/exim/exim4/exim-%{version}.tar.bz2
+Source3: http://ftp.exim.org/pub/exim/exim4/exim-%{version}.tar.bz2.asc
# http://ftp.exim.org/pub/exim/Exim-Maintainers-Keyring.asc
Source4: exim.keyring
Source1: sysconfig.exim
@@ -107,10 +107,6 @@
Source32: eximstats.conf-2.2
Source40: exim.service
Patch0: exim-tail.patch
-Patch3: exim-CVE-2017-1000369.patch
-Patch4: exim-CVE-2017-16943.patch
-Patch5: exim-CVE-2017-16944.patch
-Patch6: exim-4.86.2-mariadb_102_compile_fix.patch
%package -n eximon
Summary: Eximon, an graphical frontend to administer Exim's mail queue
@@ -153,10 +149,6 @@
%prep
%setup -q -n exim-%{version}
%patch0
-%patch3 -p 1
-%patch4 -p 1
-%patch5 -p 1
-%patch6 -p 1
# build with fPIE/pie on SUSE 10.0 or newer, or on any other platform
%if %{?suse_version:%suse_version}%{?!suse_version:99999} > 930
fPIE="-fPIE"
@@ -328,7 +320,7 @@
inst_info=$RPM_BUILD_ROOT/%{_infodir} \
INSTALL_ARG=-no_chown install
#mv $RPM_BUILD_ROOT/usr/sbin/exim-%{version}* $RPM_BUILD_ROOT/usr/sbin/exim
-mv $RPM_BUILD_ROOT/usr/sbin/exim-4.8* $RPM_BUILD_ROOT/usr/sbin/exim
+mv $RPM_BUILD_ROOT/usr/sbin/exim-4.9* $RPM_BUILD_ROOT/usr/sbin/exim
mv $RPM_BUILD_ROOT/etc/exim/exim.conf src/configure.default # with all substitutions done
%if 0%{?suse_version} > 1220
install -m 0644 %{S:40} $RPM_BUILD_ROOT/%{_unitdir}/exim.service
Index: exim-4.90.1.tar.bz2
===================================================================
Binary file exim-4.90.1.tar.bz2 (revision 4) added
Index: exim-4.90.1.tar.bz2.asc
===================================================================
--- exim-4.90.1.tar.bz2.asc (added)
+++ exim-4.90.1.tar.bz2.asc (revision 4)
@@ -0,0 +1,11 @@
+-----BEGIN PGP SIGNATURE-----
+
+iQEzBAABCgAdFiEE0L/WueylaUpvFJ3Or0zGdqa2wUIFAlp8U0MACgkQr0zGdqa2
+wUKEiwf9GmNYK5sbmpi/c2TdfPqsqU1o76l3PoTt+kxSQi5t4j30dsqZdWvzvkuj
+k+/x1SsDRg44+wv19ynnYH4tSCZ3QSwTevyfXvR7bSGpSTCN0tTnaWm/AuBXNC8D
+9lukQckwdZckVNciRriVCLi9VTymV/tdnIxowQu/WfdEzFTXDeYzu3KoioG+jKAV
+MWhnyUDfhPYPYs+u8IKdFDE3Z9bO/I/EbgTHiR6PetLWusSugrp/MyJjICp8HsvI
+f/pMj+rytJo2hOnI9x/wpUiXb7XnnQnph3mic5BQU4DF+tI6dK1zTS66PyTYAoNI
+p6Po3uLY/umKYT+W6jxURPfC2TH1+A==
+=k4cD
+-----END PGP SIGNATURE-----
Index: exim-4.86.2-mariadb_102_compile_fix.patch
===================================================================
--- exim-4.86.2-mariadb_102_compile_fix.patch (revision 200)
+++ exim-4.86.2-mariadb_102_compile_fix.patch (deleted)
@@ -1,94 +0,0 @@
-Index: exim-4.86.2/src/lookups/mysql.c
-===================================================================
---- exim-4.86.2.orig/src/lookups/mysql.c
-+++ exim-4.86.2/src/lookups/mysql.c
-@@ -14,6 +14,53 @@ functions. */
-
- #include <mysql.h> /* The system header */
-
-+/* We define symbols for *_VERSION_ID (numeric), *_VERSION_STR (char*)
-+and *_BASE_STR (char*). It's a bit of guesswork. Especially for mariadb
-+with versions before 10.2, as they do not define there there specific symbols.
-+*/
-+
-+// Newer (>= 10.2) MariaDB
-+#if defined MARIADB_VERSION_ID
-+#define EXIM_MxSQL_VERSION_ID MARIADB_VERSION_ID
-+
-+// MySQL defines MYSQL_VERSION_ID, and MariaDB does so
-+// https://dev.mysql.com/doc/refman/5.7/en/c-api-server-client-versions.html
-+#elif defined LIBMYSQL_VERSION_ID
-+#define EXIM_MxSQL_VERSION_ID LIBMYSQL_VERSION_ID
-+#elif defined MYSQL_VERSION_ID
-+#define EXIM_MxSQL_VERSION_ID MYSQL_VERSION_ID
-+
-+#else
-+#define EXIM_MYSQL_VERSION_ID 0
-+#endif
-+
-+// Newer (>= 10.2) MariaDB
-+#ifdef MARIADB_CLIENT_VERSION_STR
-+#define EXIM_MxSQL_VERSION_STR MARIADB_CLIENT_VERSION_STR
-+
-+// Mysql uses MYSQL_SERVER_VERSION
-+#elif defined LIBMYSQL_VERSION
-+#define EXIM_MxSQL_VERSION_STR LIBMYSQL_VERSION
-+#elif defined MYSQL_SERVER_VERSION
-+#define EXIM_MxSQL_VERSION_STR MYSQL_SERVER_VERSION
-+
-+#else
-+#define EXIM_MxSQL_VERSION_STR "N.A."
-+#endif
-+
-+#if defined MARIADB_BASE_VERSION
-+#define EXIM_MxSQL_BASE_STR MARIADB_BASE_VERSION
-+
-+#elif defined MARIADB_PACKAGE_VERSION
-+#define EXIM_MxSQL_BASE_STR "mariadb"
-+
-+#elif defined MYSQL_BASE_VERSION
-+#define EXIM_MxSQL_BASE_STR MYSQL_BASE_VERSION
-+
-+#else
-+#define EXIM_MxSQL_BASE_STR "n.A."
-+#endif
-+
-
- /* Structure and anchor for caching connections. */
-
-@@ -423,10 +470,10 @@ return quoted;
- void
- mysql_version_report(FILE *f)
- {
--fprintf(f, "Library version: MySQL: Compile: %s [%s]\n"
-- " Runtime: %s\n",
-- MYSQL_SERVER_VERSION, MYSQL_COMPILATION_COMMENT,
-- mysql_get_client_info());
-+fprintf(f, "Library version: MySQL: Compile: %lu %s [%s]\n"
-+ " Runtime: %lu %s\n",
-+ (long)EXIM_MxSQL_VERSION_ID, EXIM_MxSQL_VERSION_STR, EXIM_MxSQL_BASE_STR,
-+ mysql_get_client_version(), mysql_get_client_info());
- #ifdef DYNLOOKUP
- fprintf(f, " Exim version %s\n", EXIM_VERSION_STR);
- #endif
-Index: exim-4.86.2/src/EDITME
-===================================================================
---- exim-4.86.2.orig/src/EDITME
-+++ exim-4.86.2/src/EDITME
-@@ -253,7 +253,7 @@ TRANSPORT_SMTP=yes
- # you perform upgrades and revert them. You should consider the benefit of
- # embedding the Exim version number into LOOKUP_MODULE_DIR, so that you can
- # maintain two concurrent sets of modules.
--#
-+#
- # *BEWARE*: ability to modify the files in LOOKUP_MODULE_DIR is equivalent to
- # the ability to modify the Exim binary, which is often setuid root! The Exim
- # developers only intend this functionality be used by OS software packagers
-@@ -301,6 +301,7 @@ LOOKUP_DNSDB=yes
- # LOOKUP_IBASE=yes
- # LOOKUP_LDAP=yes
- # LOOKUP_MYSQL=yes
-+# LOOKUP_MYSQL_PC=mariadb
- # LOOKUP_NIS=yes
- # LOOKUP_NISPLUS=yes
- # LOOKUP_ORACLE=yes
Index: exim-4.88.tar.bz2
===================================================================
Binary file exim-4.88.tar.bz2 (revision 200) deleted
Index: exim-4.88.tar.bz2.asc
===================================================================
--- exim-4.88.tar.bz2.asc (revision 200)
+++ exim-4.88.tar.bz2.asc (deleted)
@@ -1,10 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQEcBAABAgAGBQJYVqBoAAoJELzljIzkHzLf5vIH/R4gcGqdEwGkFDRwQA5ImNif
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-RE5bHa2Qg5UCf5wwAKSOxIDLPEVUoX6qkbP7inByuGKZ5dSvBQwUGPAt+b2Lb38=
-=jgHZ
------END PGP SIGNATURE-----
Index: exim-CVE-2017-1000369.patch
===================================================================
--- exim-CVE-2017-1000369.patch (revision 200)
+++ exim-CVE-2017-1000369.patch (deleted)
@@ -1,43 +0,0 @@
-commit 65e061b76867a9ea7aeeb535341b790b90ae6c21
-Author: Heiko Schlittermann (HS12-RIPE) <hs@schlittermann.de>
-Date: Wed May 31 23:08:56 2017 +0200
-
- Cleanup (prevent repeated use of -p/-oMr to avoid mem leak)
-
-diff --git a/src/exim.c b/src/src/exim.c
-index 67583e58..88e11977 100644
---- a/src/exim.c
-+++ b/src/exim.c
-@@ -3106,7 +3106,14 @@ for (i = 1; i < argc; i++)
-
- /* -oMr: Received protocol */
-
-- else if (Ustrcmp(argrest, "Mr") == 0) received_protocol = argv[++i];
-+ else if (Ustrcmp(argrest, "Mr") == 0)
-+
-+ if (received_protocol)
-+ {
-+ fprintf(stderr, "received_protocol is set already\n");
-+ exit(EXIT_FAILURE);
-+ }
-+ else received_protocol = argv[++i];
-
- /* -oMs: Set sender host name */
-
-@@ -3202,7 +3209,15 @@ for (i = 1; i < argc; i++)
-
- if (*argrest != 0)
- {
-- uschar *hn = Ustrchr(argrest, ':');
-+ uschar *hn;
-+
-+ if (received_protocol)
-+ {
-+ fprintf(stderr, "received_protocol is set already\n");
-+ exit(EXIT_FAILURE);
-+ }
-+
-+ hn = Ustrchr(argrest, ':');
- if (hn == NULL)
- {
- received_protocol = argrest;
Index: exim-CVE-2017-16943.patch
===================================================================
--- exim-CVE-2017-16943.patch (revision 200)
+++ exim-CVE-2017-16943.patch (deleted)
@@ -1,40 +0,0 @@
-From 4e6ae6235c68de243b1c2419027472d7659aa2b4 Mon Sep 17 00:00:00 2001
-From: Jeremy Harris <jgh146exb@wizmail.org>
-Date: Fri, 24 Nov 2017 20:22:33 +0000
-Subject: [PATCH] Avoid release of store if there have been later allocations.
- Bug 2199
-
----
- src/src/receive.c | 7 ++++---
- 1 file changed, 4 insertions(+), 3 deletions(-)
-
-diff --git a/src/src/receive.c b/src/src/receive.c
-index e7e518a..d9b5001 100644
---- a/src/receive.c
-+++ b/src/receive.c
-@@ -1810,8 +1810,8 @@ for (;;)
- (and sometimes lunatic messages can have ones that are 100s of K long) we
- call store_release() for strings that have been copied - if the string is at
- the start of a block (and therefore the only thing in it, because we aren't
-- doing any other gets), the block gets freed. We can only do this because we
-- know there are no other calls to store_get() going on. */
-+ doing any other gets), the block gets freed. We can only do this release if
-+ there were no allocations since the once that we want to free. */
-
- if (ptr >= header_size - 4)
- {
-@@ -1820,9 +1820,10 @@ for (;;)
- header_size *= 2;
- if (!store_extend(next->text, oldsize, header_size))
- {
-+ BOOL release_ok = store_last_get[store_pool] == next->text;
- uschar *newtext = store_get(header_size);
- memcpy(newtext, next->text, ptr);
-- store_release(next->text);
-+ if (release_ok) store_release(next->text);
- next->text = newtext;
- }
- }
---
-1.9.1
-
Index: exim-CVE-2017-16944.patch
===================================================================
--- exim-CVE-2017-16944.patch (revision 200)
+++ exim-CVE-2017-16944.patch (deleted)
@@ -1,41 +0,0 @@
-diff -ru a/src/receive.c b/src/receive.c
---- a/src/receive.c 2017-11-30 09:15:29.593364805 +0100
-+++ b/src/receive.c 2017-11-30 09:17:32.026970431 +0100
-@@ -1759,7 +1759,7 @@
- prevent further reading), and break out of the loop, having freed the
- empty header, and set next = NULL to indicate no data line. */
-
-- if (ptr == 0 && ch == '.' && (smtp_input || dot_ends))
-+ if (ptr == 0 && ch == '.' && dot_ends)
- {
- ch = (receive_getc)();
- if (ch == '\r')
-diff -ru a/src/smtp_in.c b/src/smtp_in.c
---- a/src/smtp_in.c 2017-11-30 09:15:29.593364805 +0100
-+++ b/src/smtp_in.c 2017-11-30 09:41:47.270055566 +0100
-@@ -4751,11 +4751,17 @@
- ? CHUNKING_LAST : CHUNKING_ACTIVE;
- chunking_data_left = chunking_datasize;
-
-+ /* push the current receive_* function on the "stack", and
-+ replace them by bdat_getc(), which in turn will use the lwr_receive_*
-+ functions to do the dirty work. */
- lwr_receive_getc = receive_getc;
- lwr_receive_ungetc = receive_ungetc;
-+
- receive_getc = bdat_getc;
- receive_ungetc = bdat_ungetc;
-
-+ dot_ends = FALSE;
-+
- DEBUG(D_any)
- debug_printf("chunking state %d\n", (int)chunking_state);
- goto DATA_BDAT;
-@@ -4763,6 +4769,7 @@
-
- case DATA_CMD:
- HAD(SCH_DATA);
-+ dot_ends = TRUE;
-
- DATA_BDAT: /* Common code for DATA and BDAT */
- if (!discarded && recipients_count <= 0)
OBS-URL: https://build.opensuse.org/request/show/576288
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=201
Corrections for inverted bcond
import exim-4_86_2+fixes branch
+ fix CVE-2016-1531
when installed setuid root, allows local users to gain privileges via the perl_startup
argument.
+ fix Bug 1805: store the initial working directory, expand $initial_cwd
+ fix Bug 1671: segfault after delivery (https://bugs.exim.org/show_bug.cgi?id=1671)
+ Don't issue env warning if env is empty
- fix CVE-2016-9963: DKIM information leakage
- conditionally disable DANE on SuSE versions with OpenSSL < 1.0
- disable i18n by default, utf8_downconvert seems to cause crashes
OBS-URL: https://build.opensuse.org/request/show/490905
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=183
- Update to 4.86
* Support for using the system standard CA bundle.
* New expansion items $config_file, $config_dir, containing the file
and directory name of the main configuration file. Also $exim_version.
* New "malware=" support for Avast.
* New "spam=" variant option for Rspamd.
* Assorted options on malware= and spam= scanners.
* A commandline option to write a comment into the logfile.
* If built with EXPERIMENTAL_SOCKS feature enabled, the smtp transport can
be configured to make connections via socks5 proxies.
* If built with EXPERIMENTAL_INTERNATIONAL, support is included for
the transmission of UTF-8 envelope addresses.
* If built with EXPERIMENTAL_INTERNATIONAL, an expansion item for a commonly
used encoding of Maildir folder names.
* A logging option for slow DNS lookups.
* New ${env {<variable>}} expansion.
* A non-SMTP authenticator using information from TLS client certificates.
* Main option "tls_eccurve" for selecting an Elliptic Curve for TLS.
Patch originally by Wolfgang Breyha.
* Main option "dns_trust_aa" for trusting your local nameserver at the
same level as DNSSEC.
- Dropped exim-enable_ecdh_openssl.patch as included in upstream
OBS-URL: https://build.opensuse.org/request/show/335998
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=171
+ Re-add a 'return NULL' to silence complaints from static checkers that
were complaining about end of non-void function with no return;
(beo#1506); obsoletes silence-static-checkers.patch.
+ Fix parsing of quoted parameter values in MIME headers.
This was a regression intruduced in 4.83 by another bugfix; (beo#1513).
+ Fix broken compilation when EXPERIMENTAL_DSN is enabled.
+ Fix exipick for enhanced spoolfile specification used when
EXPERIMENTAL_DNS is enabled; (beo#1509).
OBS-URL: https://build.opensuse.org/package/show/server:mail/exim?expand=0&rev=151
