How to change PostgreSQL network port of MetaDefender Email Gateway Security?
This article applies to all MetaDefender Email Gateway Security versions 6.0.0 and above
Step 1: Open Registry Editor and navigate to
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\OPSWAT\
Step 2: Modify the db_port value under the following Registry Keys:
- Metadefender Email Database\database (available only in case of a Standalone database deployment)
- Metadefender Email Security\database
As well as the port value in the postgresql.conf file:
- <EGS_Installation_Directory>/data/pg_data/postgresql.conf
Step 3: Open Services Application and restart both the OPSWAT MetaDefender Email Gateway Security and the OPSWAT MetaDefender Email Gateway Security Database Server services:

Step 4: Check that the postgres uses the new port using the following PowerShell Command:
Get-Process -Id (Get-NetTCPConnection -LocalPort <port>).OwningProcess

If Further Assistance is required, please proceed to log a support case or chatting with our support engineer.