Sample | Powermta Configuration File Hot [hot]

# IP addresses and domains ip_address = "192.0.2.1" domain = "example.com" additional_domains = "subdomain.example.com, example.net"

log-path /var/log/pmta log-file delivery.log log-level info syslog yes smtp-transaction-log yes smtp-transaction-log-path /var/log/pmta/transactions account-log yes account-log-path /var/log/pmta/account

cold-virtual-mta vmta-cold-1 <domain *> max-cold-virtual-mta-msg 500/day</domain> </virtual-mta> sample powermta configuration file hot

# Domain settings domain "example.com" # MX records mx_record "mx1.example.com" 10 mx_record "mx2.example.com" 20

Even with max-per-host-out 100 , Gmail will reject if you exceed 60 connections per IP. The sample config uses domain throttling ( domain throt-google.com ) as a safety net. # IP addresses and domains ip_address = "192

In this article, we've explored the benefits of using PowerMTA, discussed the importance of a well-crafted configuration file, and provided a sample PowerMTA configuration file to help you optimize your email delivery setup. By following best practices and using a hot configuration reload, you can ensure that your PowerMTA instance is running efficiently and effectively, delivering email messages to your subscribers and customers. Whether you're an email service provider or a business looking to improve your email delivery, PowerMTA is a powerful tool that can help you achieve your goals.

password "your_secure_password"

max-msg-rate 2/m # Very conservative for new IPs max-conn-rate 1/m

When a recipient server returns a "421 Rate Limit Exceeded" error, PowerMTA uses its internal ruleset to trigger a "backoff" mode. The directives backoff-retry-after and backoff-to-normal-after gracefully slow down delivery to that specific provider, letting your IP reputation cool down without manual administrator intervention. Best Practices for Implementation By following best practices and using a hot