smtp-port 25 http-mgmt-port 8080 max-smtp-out 100 hostname mailer.lifestyle-bureau.com
Are you currently seeing specific (e.g., 421 or 550) in your PMTA logs? Share public link
: Allows PowerMTA to open up to 2,000 parallel connections globally across all destinations. sample powermta configuration file hot
admin "postmaster@your-domain.com"
# General settings server_name = "example.com" server_id = "example.com" 2. High-Volume ISP Tuning <
throttle domain gmail.com
<smtp-listener 0/0:587> use-outbound-proxy no process-x-virtual-mta yes default-virtual-mta main-pool require-auth false # Typically, allow submission without auth for trusted sources smtp-service yes </smtp-listener> sample powermta configuration file hot
: Instead of opening and closing a TCP connection for every single email (which creates massive overhead), this tells PowerMTA to reuse an open connection for up to 1000 emails sequentially before closing it. 2. High-Volume ISP Tuning
<domain yahoo.com> max-smtp-out 10 max-connect-rate 2/m max-msg-per-connection 50 max-msg-rate 200/h retry-after 5m log-connections yes </domain>