PowerMTA uses a hierarchical configuration. The "top" or global section should define your system identity, while specific directives handle traffic. Global Settings : Define your postmaster address and internal monitoring ports. Source Directives
PowerMTA includes a web-based monitoring interface showing real-time statistics. To enable it, whitelist your IP address in the configuration:
move-interval 1h record-fields b,v,m,e,r,h,dl Use code with caution.
PowerMTA uses regex to parse bounce messages. By configuring your block correctly, you can define what happens to hard bounces vs. soft bounces. powermta configuration guide top
pmta show top-bounces : Highlights which ISPs are currently blocking or rejecting your messages. 7. Delivery Optimization Checklist for Peak Performance
The configuration file is typically located at /etc/pmta/config . When making changes:
Group your IPs to manage reputation separately for different types of mail (e.g., transactional vs. marketing). PowerMTA uses a hierarchical configuration
Use an FTP client like WinSCP or FileZilla to upload the PowerMTA RPM/DEB package and your license file to /etc/pmta .
: Install on a fresh Linux instance (Ubuntu 20.04+ or CentOS 8+) with no control panels like cPanel. Upload & Install : Upload the .rpm or .deb file to your root directory.
pmta flush domain gmail.com
Never mix marketing mail with transactional mail on the same VMTA.
If your PowerMTA instance accepts inbound relay or bounce processing traffic, enable authentication checks to protect your environment from spoofing: auth-spf yes auth-dkim-verify yes Use code with caution. 5. Advanced Bounce and Feedback Loop (FBL) Routing