Powermta Configuration File Hot - Sample
Optimizing Email Delivery with PowerMTA: A Comprehensive Guide to Sample Configuration Files
; End of example config
3. VIRTUAL MTA (vmta) POOL - THE "HOT" SETUP
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A pool allows you to rotate traffic across multiple IPs.
This helps warm up new IPs evenly or spread load.
vmta-pool vmta-pool-1 virtual-mta vmta-ip-1 virtual-mta vmta-ip-2 sample powermta configuration file hot
<!-- Handling the Giants: Gmail --> <domain gmail.com> max-msg-rate 100/s <!-- Don't flood Google --> max-rcpt-per-transaction 100 <!-- Send in batches --> max-smtp-out 20 <!-- Max open connections --> retry-after 10m dkim-sign yes dkim-identity @yourdomain.com dkim-selector mail dkim-key-file /etc/pmta/dkim.key </domain>Aggressive queue flushing during "happy hour" (5 PM - 9 PM local)
<schedule 17-21> set max-smtp-out 300 set throttle-smtp-out 100000 </schedule> /etc/pmta/dkim.key MTA settings
10.20.30.40 -> mail11.yourdomain.com
Definition for Virtual MTA 2
virtual-mta vmta-ip-2 smtp-source-host 192.168.1.102 mail2.yourdomain.com domain-key big-signer,,$domain,/etc/pmta/dkim.key !-- Handling the Giants: Gmail -->
MTA settings
mta_bind_address: the IP address to bind tomta_bind_port: the port to bind to (usually 25 for SMTP)
