bounce dsn-retries 5 dsn-wait 3600 lazy-bounce-interval 3600 max-bounce-rate 10% bounce-catcher <bounces@yourdomain.com>
. Configuring PowerMTA effectively involves defining Virtual MTAs (VMTAs), setting domain-specific throttling rules, and ensuring proper authentication to maintain a high sender reputation. Core PowerMTA Configuration Components The primary configuration file is typically located at /etc/pmta/config
<source 192.0.2.11> same-as 192.0.2.10 </source>
# DKIM Signing globally domain-key big-signer,,$domain,/etc/pmta/dkim.key sample powermta configuration file hot
FBLs are mandatory for sending to Yahoo, AOL, and Microsoft. The sample includes feedback-loop . Ensure fbl-handler.php unsubscribes complainants immediately.
Retrying transient errors intelligently while immediately dropping hard bounces. Comprehensive Sample PowerMTA Configuration File
<acct-file /var/log/pmta/acct.csv> records d,o,b,r,t </acct-file> The sample includes feedback-loop
Are you looking to optimize this for a specific (like Gmail) or for a bulk marketing scenario?
vmta warmup-sender auto-warmup true pool pool-warmup dkim-signature "warmup" max-smtp-out 50 warmup-period 7 days
Use tools like UltraMailer or a simple terminal test to verify port 587 is open. Comprehensive Sample PowerMTA Configuration File <
# Performance log-connections no # Set to 'yes' for detailed connection debugging log-commands no log-data no
<domain *> dkim-sign yes # Enable DKIM signing for all outbound mail </domain>