diff --git a/hieradata/roles/infra/mail/gateway.yaml b/hieradata/roles/infra/mail/gateway.yaml
index 071ed3d..77bfa48 100644
--- a/hieradata/roles/infra/mail/gateway.yaml
+++ b/hieradata/roles/infra/mail/gateway.yaml
@@ -73,9 +73,11 @@ postfix::manage_aliases: true
 # postfix map content (templates)
 profiles::postfix::gateway::relay_recipients_maps:
   '@unkin.net': 'OK'
+  '@main.unkin.net': 'OK'
 
 profiles::postfix::gateway::relay_domains_maps:
   'unkin.net': 'OK'
+  'main.unkin.net': 'OK'
 
 profiles::postfix::gateway::postscreen_access_maps:
   '127.0.0.1/32': 'permit'
@@ -96,6 +98,10 @@ postfix::transports:
     ensure: present
     destination: 'relay'
     nexthop: '[mail-in.main.unkin.net]:25'
+  'main.unkin.net':
+    ensure: present
+    destination: 'relay'
+    nexthop: '[mail-in.main.unkin.net]:25'
 
 # postfix virtuals
 postfix::virtuals: