postscreen (8) Linux Manual Page
postscreen – Postfix zombie blocker Synopsis postscreen [generic Postfix daemon options] Description The Postfix postscreen(8) server provides additional protection against mail server overload. One postscreen(8) process handles multiple inbound SMTP connections, and decides which clients may talk to a Postfix SMTP server process. By keeping spambots away, postscreen(8) leaves more SMTP server processes available for…
