Guide Top — Powermta Configuration

<pickup /var/spool/pmta/pickup> move-to /var/spool/pmta/pickup-failed </pickup>

# /etc/pmta/config

PowerMTA is highly multithreaded. Properly allocating system resources prevents bottlenecks.

Example:

While SPF is set in your DNS records, DKIM must be configured within PowerMTA to sign outgoing emails.

Separating traffic into "pools" allows you to isolate different types of mail (e.g., transactional vs. marketing) and assign specific IP addresses to each. : Assign a unique source IP to each. smtp-source-ip 1.2.3.4 Use code with caution. Copied to clipboard

# Feedback Loops (FBL) enable-fbl yes

<domain gmail.com> max-msg-rate 100/h max-connect-rate 5/m max-smtp-out 10 </domain>

Version control is not natively supported by PowerMTA, but implementing Git (with platforms like GitHub, GitLab, or Bitbucket) is strongly recommended, especially when multiple team members work on the same configuration files.

Assign specific CPU cores to specific domains to prevent cross-domain blocking. powermta configuration guide top

This comprehensive configuration guide covers the essential parameters, optimizations, and architectural decisions required to build a high-performance PowerMTA infrastructure. 1. Core Architecture and Global Settings

VMTAs allow you to assign specific source IPs to different mail streams.

Note: Ensure that your DNS TXT record for pmta._://yourdomain.com contains the corresponding public key. 7. Bounce and Feedback Loop (FBL) Processing Separating traffic into "pools" allows you to isolate