<!-- Handling the Giants: Yahoo/AOL --> <domain yahoo.com> max-msg-rate 50/s max-smtp-out 10 dkim-sign yes <!-- Yahoo is strict on engagement --> bounce-after 5d </domain>
: Keep your configuration in a system like Git to track changes and roll back if delivery rates drop. sample powermta configuration file hot
Always monitor your PowerMTA Web Console during the first 24 hours of a new campaign to spot throttling issues in real-time. !-- Handling the Giants: Yahoo/AOL -->
# Access control settings access_control # Allow relaying from trusted hosts allow relay from "trusted_mta.example.com" bounce-after 5d <