diff --git a/journals/2023_02_20.md b/journals/2023_02_20.md
index 73c02721..e16c8d05 100644
--- a/journals/2023_02_20.md
+++ b/journals/2023_02_20.md
@@ -168,4 +168,17 @@
 			  
 			  query = SELECT domain FROM custom_domain WHERE domain='%s' AND verified=true
 			      UNION SELECT '%s' WHERE '%s' = 'mydomain.com' LIMIT 1;
+			  ```
+			- ``/etc/postfix/pgsql-transport-maps.cf``
+			  
+			  ``` 
+			  # postgres config
+			  hosts = localhost
+			  user = simplelogin
+			  password = !oG3^fx!UMn%bazokfs9MSJoiD
+			  dbname = simplelogin
+			  
+			  # forward to smtp:127.0.0.1:20381 for custom domain AND email domain
+			  query = SELECT 'smtp:127.0.0.1:20381' FROM custom_domain WHERE domain = '%s' AND verified=true
+			      UNION SELECT 'smtp:127.0.0.1:20381' WHERE '%s' = 'mydomain.com' LIMIT 1;
 			  ```
\ No newline at end of file