Many hacked PowerMTA instances are used for spam because relaying is open. Lock it down.
smtp-source-host 192.0.2.10 ://yourdomain.com smtp-source-host 192.0.2.11 ://yourdomain.com Use code with caution. Virtual MTA Pools
Never expose port 2500 publicly. Bounce handlers process data – restrict to localhost.
They isolate reputation. A marketing campaign issue won’t kill your transactional delivery.
: A VPS or dedicated server with at least 2GB of RAM (8GB recommended for high volume). Operating System : Current guides recommend Ubuntu 20.04+ or CentOS 8+.
Many hacked PowerMTA instances are used for spam because relaying is open. Lock it down.
smtp-source-host 192.0.2.10 ://yourdomain.com smtp-source-host 192.0.2.11 ://yourdomain.com Use code with caution. Virtual MTA Pools powermta configuration guide top
Never expose port 2500 publicly. Bounce handlers process data – restrict to localhost. Many hacked PowerMTA instances are used for spam
They isolate reputation. A marketing campaign issue won’t kill your transactional delivery. powermta configuration guide top
: A VPS or dedicated server with at least 2GB of RAM (8GB recommended for high volume). Operating System : Current guides recommend Ubuntu 20.04+ or CentOS 8+.
