diff --git a/filters/postfix-postscreen.preg b/filters/postfix-postscreen.preg
new file mode 100644
index 0000000..5157f65
--- /dev/null
+++ b/filters/postfix-postscreen.preg
@@ -0,0 +1,5 @@
+# set: defscore=3
+PREGREET [[:digit:]]+ after [[:digit:]]+ from \[<HOST>\]:[[:digit:]]+
+BARE NEWLINE from \[<HOST>\]:[[:digit:]]+
+COMMAND PIPELINING from \[<HOST>\]:[[:digit:]]+
+HANGUP after [0-9\.]+ from \[<HOST>\]:[[:digit:]]+ in tests before SMTP handshake