On Sat, Jun 13, 2015, at 05:09 PM, Wietse Venema wrote: > Postfix implements multiple layers of defense to block mail: the > order of these is postscreen, smtpd_mumble_restrictions, milter > SMTP command inspection, smtpd_proxy_filter, header/body_checks, > milter header/body inspection, content_filter. The order is fixed > for practical reasons. If you want to know why, then you will have > to learn this yourself from the way the system works internally.
No need. Knowing the order, and that it's fixed, is sufficient. A pointer to which document I should've pulled that order from in the 1st place would be helpful.
