diff --git a/ipasserelle-groupware.spec b/ipasserelle-groupware.spec
index 4be701f..d8aeedc 100644
--- a/ipasserelle-groupware.spec
+++ b/ipasserelle-groupware.spec
@@ -19,8 +19,9 @@ BuildRequires: e-smith-devtools
 BuildRequires: gcc
 Requires: smeserver-release >= 8
 Requires: e-smith-ldap >= 5.2.0-19
-Requires: sogo >= 2.0.4b
+Requires: sogo >= 2.2.0
 Requires: sogo-tool
+Requires: sogo-activesync
 Requires: sope49-gdl1-mysql
 Requires: sogo-ealarms-notify
 Requires: ipasserelle-base
diff --git a/root/etc/e-smith/templates/etc/httpd/conf/httpd.conf/85SOGoAccess b/root/etc/e-smith/templates/etc/httpd/conf/httpd.conf/85SOGoAccess
index 22c78ce..ca1db9c 100644
--- a/root/etc/e-smith/templates/etc/httpd/conf/httpd.conf/85SOGoAccess
+++ b/root/etc/e-smith/templates/etc/httpd/conf/httpd.conf/85SOGoAccess
@@ -2,6 +2,7 @@
 {
     $sogoStatus = $sogod{'status'} || "disabled";
     $webmailStatus = $imp{'status'} || "disabled";
+    $activeSync = $sogod{'ActiveSync'} || 'disabled';
     my $lib = ( -d '/usr/lib64/GNUstep/SOGo/WebServerResources' ) ? 'lib64':'lib';
     $style = $sogod{'WebServerResources'} || '/usr/' . $lib . '/GNUstep/SOGo/WebServerResources/';
     $style = '/usr/' . $lib . '/GNUstep/SOGo/WebServerResources/' unless ( -d $style);
@@ -20,6 +21,17 @@ ScriptAlias /sogo-cgi-bin /usr/share/SOGo/cgi-bin
 
 ProxyPass /SOGo/casProxy http://localhost/sogo-cgi-bin/cas-proxy-validate
 
+{
+if ($activeSync =~ m/^enabled|on|1|yes$/i){
+    $OUT .=<<"HERE";
+ProxyPass /Microsoft-Server-ActiveSync http://127.0.0.1:$sogod{'TCPPort'}/SOGo/Microsoft-Server-ActiveSync retry=60 connectiontimeout=5 timeout=360
+HERE
+}
+else {
+    $OUT .= "# ActiveSync is disabled\n";
+}
+}
+
 ProxyPass /SOGo http://127.0.0.1:{$sogod{'TCPPort'}}/SOGo
 ProxyPassReverse /SOGo http://127.0.0.1:{$sogod{'TCPPort'}}/SOGo
 SetEnvIf Host (.*) REQUEST_HOST=$1
diff --git a/root/etc/e-smith/templates/etc/sysconfig/sogo/Prefork b/root/etc/e-smith/templates/etc/sysconfig/sogo/Prefork
index a174678..ae2bba5 100644
--- a/root/etc/e-smith/templates/etc/sysconfig/sogo/Prefork
+++ b/root/etc/e-smith/templates/etc/sysconfig/sogo/Prefork
@@ -5,6 +5,8 @@ my $a = esmith::AccountsDB->open_ro || die "Couldn't open AccountsDB\n";
 my $users = scalar($a->users());
 my $fork = int($users/8);
 $fork = 3 if ($fork < 3);
+my $activeSync = $sogod{'ActiveSync'} || 'disabled';
+$fork = $fork*2 if ($activeSync =~ m/^enabled|on|1|yes$/i);
 
 $OUT .= "PREFORK=$fork";