Powermta Configuration Guide Top -
: Use username/password authentication (SMTP AUTH) if injection occurs over public networks.
v=spf1 ip4:YOUR.SERVER.IP include:_spf.google.com -all
# Limit sending to Gmail max-smtp-out 20 retry-after 10m Use code with caution. B. DKIM Signing powermta configuration guide top
domain yourdomain.com selector default key-file /etc/pmta/dkim.pem Use code with caution. C. DSN (Delivery Status Notifications)
To conclude, a top-performing PowerMTA configuration is a product of continuous analysis and optimization. DKIM Signing domain yourdomain
If your marketing IP gets blacklisted, your transactional (password resets, invoices) traffic continues flowing uninterrupted on the other vMTA.
Use queue lists to manage sending limits (throttling) per domain. If your marketing IP gets blacklisted, your transactional
Load-balance your traffic across multiple IPs to prevent overloading a single IP address.
Use to group domains that share the same mail servers (like Gmail and Google Workspace) so you can apply throttling rules to the entire group at once.
Set up monitoring and logging to track PowerMTA performance and issues:
Use policy "suppress" actions for hard bounces and spam complaints.
