diff --git a/modules/mailserver.nix b/modules/mailserver.nix
index b4c1f69..aa84b1d 100644
--- a/modules/mailserver.nix
+++ b/modules/mailserver.nix
@@ -9,61 +9,62 @@ let
 in {
   imports = [ module ];
   services.postfix = {
-    # dnsBlacklists = [
-    #   "all.s5h.net"
-    #   "b.barracudacentral.org"
-    #   "bl.spamcop.net"
-    #   "blacklist.woody.ch"
-    #   "bogons.cymru.com"
-    #   "cbl.abuseat.org"
-    #   "combined.abuse.ch"
-    #   "db.wpbl.info"
-    #   "dnsbl-1.uceprotect.net"
-    #   "dnsbl-2.uceprotect.net"
-    #   "dnsbl-3.uceprotect.net"
-    #   "dnsbl.anticaptcha.net"
-    #   "dnsbl.dronebl.org"
-    #   "dnsbl.inps.de"
-    #   "dnsbl.sorbs.net"
-    #   "dnsbl.spfbl.net"
-    #   "drone.abuse.ch"
-    #   "duinv.aupads.org"
-    #   "dul.dnsbl.sorbs.net"
-    #   "dyna.spamrats.com"
-    #   "dynip.rothen.com"
-    #   "http.dnsbl.sorbs.net"
-    #   "ips.backscatterer.org"
-    #   "ix.dnsbl.manitu.net"
-    #   "korea.services.net"
-    #   "misc.dnsbl.sorbs.net"
-    #   "noptr.spamrats.com"
-    #   "orvedb.aupads.org"
-    #   "pbl.spamhaus.org"
-    #   "proxy.bl.gweep.ca"
-    #   "psbl.surriel.com"
-    #   "relays.bl.gweep.ca"
-    #   "relays.nether.net"
-    #   "sbl.spamhaus.org"
-    #   "singular.ttk.pte.hu"
-    #   "smtp.dnsbl.sorbs.net"
-    #   "socks.dnsbl.sorbs.net"
-    #   "spam.abuse.ch"
-    #   "spam.dnsbl.anonmails.de"
-    #   "spam.dnsbl.sorbs.net"
-    #   "spam.spamrats.com"
-    #   "spambot.bls.digibase.ca"
-    #   "spamrbl.imp.ch"
-    #   "spamsources.fabel.dk"
-    #   "ubl.lashback.com"
-    #   "ubl.unsubscore.com"
-    #   "virus.rbl.jp"
-    #   "web.dnsbl.sorbs.net"
-    #   "wormrbl.imp.ch"
-    #   "xbl.spamhaus.org"
-    #   "z.mailspike.net"
-    #   "zen.spamhaus.org"
-    #   "zombie.dnsbl.sorbs.net"
-    # ];
+    dnsBlacklists = [
+      "all.s5h.net"
+      "b.barracudacentral.org"
+      "bl.spamcop.net"
+      "blacklist.woody.ch"
+      "bogons.cymru.com"
+      "cbl.abuseat.org"
+      "combined.abuse.ch"
+      "db.wpbl.info"
+      "dnsbl-1.uceprotect.net"
+      "dnsbl-2.uceprotect.net"
+      "dnsbl-3.uceprotect.net"
+      "dnsbl.anticaptcha.net"
+      "dnsbl.dronebl.org"
+      "dnsbl.inps.de"
+      "dnsbl.sorbs.net"
+      "dnsbl.spfbl.net"
+      "drone.abuse.ch"
+      "duinv.aupads.org"
+      "dul.dnsbl.sorbs.net"
+      "dyna.spamrats.com"
+      "dynip.rothen.com"
+      "http.dnsbl.sorbs.net"
+      "ips.backscatterer.org"
+      "ix.dnsbl.manitu.net"
+      "korea.services.net"
+      "misc.dnsbl.sorbs.net"
+      "noptr.spamrats.com"
+      "orvedb.aupads.org"
+      "pbl.spamhaus.org"
+      "proxy.bl.gweep.ca"
+      "psbl.surriel.com"
+      "relays.bl.gweep.ca"
+      "relays.nether.net"
+      "sbl.spamhaus.org"
+      "singular.ttk.pte.hu"
+      "smtp.dnsbl.sorbs.net"
+      "socks.dnsbl.sorbs.net"
+      "spam.abuse.ch"
+      "spam.dnsbl.anonmails.de"
+      "spam.dnsbl.sorbs.net"
+      "spam.spamrats.com"
+      "spambot.bls.digibase.ca"
+      "spamrbl.imp.ch"
+      "spamsources.fabel.dk"
+      "ubl.lashback.com"
+      "ubl.unsubscore.com"
+      "virus.rbl.jp"
+      "web.dnsbl.sorbs.net"
+      "wormrbl.imp.ch"
+      "xbl.spamhaus.org"
+      "z.mailspike.net"
+      "zen.spamhaus.org"
+      "zombie.dnsbl.sorbs.net"
+    ];
+    networks = [ "127.0.0.0/24" "192.168.0.0/16" ];
   };
   mailserver = {
     enable = true;