postscreen RBL checking
postscreen: before accepting an incoming message, checks RBLs, checks for spam pipelining. (pass) proceed to next step. (fail) return SMTP error, which bounces email.
(from redmine: created on 2016-02-16)
postscreen: before accepting an incoming message, checks RBLs, checks for spam pipelining. (pass) proceed to next step. (fail) return SMTP error, which bounces email.
(from redmine: created on 2016-02-16)