diff --git a/exim-gen-cert b/exim-gen-cert
index dbcd26e..27e8448 100644
--- a/exim-gen-cert
+++ b/exim-gen-cert
@@ -2,6 +2,14 @@
 
 . /etc/sysconfig/network
 
+# Source exim configureation.
+if [ -f /etc/sysconfig/exim ] ; then
+        . /etc/sysconfig/exim
+fi
+
+USER=${USER:=exim}
+GROUP=${GROUP:=exim}
+
 gen_cert() {
         if [ ! -f /etc/pki/tls/certs/exim.pem ] ; then
                 umask 077
@@ -23,7 +31,7 @@ root@${FQDN}
 EOF
                 if [ $? -eq 0 ]; then
                         echo success
-                        chown exim.exim /etc/pki/tls/{private,certs}/exim.pem
+                        chown $USER:$GROUP /etc/pki/tls/{private,certs}/exim.pem
                         chmod 600 /etc/pki/tls/{private,certs}/exim.pem
                 else
                         echo failure
diff --git a/exim.init b/exim.init
index 58ffd51..275fae2 100644
--- a/exim.init
+++ b/exim.init
@@ -23,6 +23,9 @@ else
 	QUEUE=1h
 fi
 
+USER=${USER:=exim}
+GROUP=${GROUP:=exim}
+
 gen_cert() {
 	if [ ! -f /etc/pki/tls/certs/exim.pem ] ; then
 		umask 077
@@ -44,7 +47,7 @@ root@${FQDN}
 EOF
 		if [ $? -eq 0 ]; then
 			success
-			chown exim.exim /etc/pki/tls/{private,certs}/exim.pem
+			chown $USER:$GROUP /etc/pki/tls/{private,certs}/exim.pem
 			chmod 600 /etc/pki/tls/{private,certs}/exim.pem
 		else
 			failure
@@ -65,7 +68,7 @@ start() {
 	then
 	    if [ "exim" != "`ls -l /var/log/exim/main.log | awk '{print $4}'`" ]
 	    then
-		chown -R exim:exim /var/log/exim /var/spool/exim
+		chown -R $USER:$GROUP /var/log/exim /var/spool/exim
 	    fi
 	fi
 
diff --git a/exim.spec b/exim.spec
index f38337c..37563e2 100644
--- a/exim.spec
+++ b/exim.spec
@@ -14,7 +14,7 @@
 Summary: The exim mail transfer agent
 Name: exim
 Version: 4.87
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: GPLv2+
 Url: http://www.exim.org/
 Group: System Environment/Daemons
@@ -585,6 +585,10 @@ test "$1"  = 0 || %{_initrddir}/clamd.exim condrestart >/dev/null 2>&1 || :
 %{_sysconfdir}/cron.daily/greylist-tidy.sh
 
 %changelog
+* Thu Jun  9 2016 Jaroslav Škarvada <jskarvad@redhat.com> - 4.87-5
+- Allow configuration of user:group through sysconfig
+  Resolves: rhbz#1344250
+
 * Sat May 14 2016 Jitka Plesnikova <jplesnik@redhat.com> - 4.87-4
 - Perl 5.24 rebuild
 
diff --git a/exim.sysconfig b/exim.sysconfig
index cada3c9..69e525d 100644
--- a/exim.sysconfig
+++ b/exim.sysconfig
@@ -1,2 +1,4 @@
 DAEMON=yes
 QUEUE=1h
+USER=exim
+GROUP=exim