Index: /lvs/debian/config/etc/ha.d/ldirectord.cf
===================================================================
--- /lvs/debian/config/etc/ha.d/ldirectord.cf	(revision 1004)
+++ /lvs/debian/config/etc/ha.d/ldirectord.cf	(revision 1005)
@@ -4,4 +4,14 @@
 logfile="/var/log/ldirectord.log"
 quiescent=no
+
+virtual=18.181.0.46:25
+        real=18.181.0.53:25 gate 1024
+        real=18.181.0.57:25 gate 1024
+        real=18.181.0.167:25 gate 1024
+        fallback=18.187.1.128:25 gate
+        service=smtp
+        scheduler=sh
+        protocol=tcp
+        checktype=negotiate
 
 virtual=18.181.0.46:80
@@ -44,4 +54,14 @@
         checktype=negotiate
 
+virtual=18.181.0.43:25
+        real=18.181.0.53:25 gate 1024
+        real=18.181.0.57:25 gate 1024
+        real=18.181.0.167:25 gate 1024
+        fallback=18.187.1.128:25 gate
+        service=smtp
+        scheduler=sh
+        protocol=tcp
+        checktype=negotiate
+
 virtual=18.181.0.43:80
         real=18.181.0.53:80 gate 1024
@@ -78,4 +98,14 @@
 	virtualhost="scripts.mit.edu"
         receive="1"
+        scheduler=sh
+        protocol=tcp
+        checktype=negotiate
+
+virtual=18.181.0.50:25
+        real=18.181.0.53:25 gate 1024
+        real=18.181.0.57:25 gate 1024
+        real=18.181.0.167:25 gate 1024
+        fallback=18.187.1.128:25 gate
+        service=smtp
         scheduler=sh
         protocol=tcp
Index: /lvs/debian/config/etc/network/if-up.d/iptables
===================================================================
--- /lvs/debian/config/etc/network/if-up.d/iptables	(revision 1004)
+++ /lvs/debian/config/etc/network/if-up.d/iptables	(revision 1005)
@@ -6,13 +6,13 @@
 
 # scripts.mit.edu
-iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.46/31 --dports 80,443,444 -j MARK --set-mark 2
+iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.46/31 --dports 25,80,443,444 -j MARK --set-mark 2
 iptables -A PREROUTING -t mangle -m mark --mark 0 -d 18.181.0.46/31 -j MARK --set-mark 1
 
 # scripts-new.mit.edu
-iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.43 --dports 80,443,444 -j MARK --set-mark 2
+iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.43 --dports 25,80,443,444 -j MARK --set-mark 2
 iptables -A PREROUTING -t mangle -m mark --mark 0 -d 18.181.0.43 -j MARK --set-mark 1
 
 # scripts-cert.mit.edu
-iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.50/31 --dports 80,443,444 -j MARK --set-mark 2
+iptables -A PREROUTING -t mangle -m tcp -m multiport -p tcp -d 18.181.0.50/31 --dports 25,80,443,444 -j MARK --set-mark 2
 iptables -A PREROUTING -t mangle -m mark --mark 0 -d 18.181.0.50/31 -j MARK --set-mark 1