May 26, 2018
PPolicy is tool for extending Postfix checking capabilities
Modular Python Postfix Policy Server
Modular Python Postfix Policy Server is tool for extending Postfix checking capabilities. It uses Postfix access policy delegation http//www.postfix.org/SMTPD_POLICY_README.html to check incoming SMTP request and accept or reject it according provided data. It can reduce mailserver load with rejecting incorrect mail during SMTP connection. It was made with stress to height reliability and performance by providing caching of required data and results.