60r3 | Powermta

Consider upgrading if you need:

must be open for SMTP traffic, and root access is required for configuring the system. File Format : The software is often distributed as an powermta 60r3

For system administrators maintaining 60r3 in production, the message is clear: But treat it like a classic car. Keep it behind proper firewalls, monitor its logs obsessively, and have a migration plan for the day an ISP finally demands a cipher suite it cannot provide. Consider upgrading if you need: must be open

PowerMTA 60r3 logs heavily to /var/log/pmta/ . Use logrotate to prevent disk fills: PowerMTA 60r3 logs heavily to /var/log/pmta/

<domain gmail.com> max-smtp-out 20 # Start low max-msg-rate 50 # Then increase by 10% daily warmup "2d" # PMTA v6 feature: automatically ramp up over 2 days </domain>

If you want to dive deeper into this setup, let me know if you would like to look at , DKIM key setup , or log integration strategies . Share public link