document SMTP AUTH option

diff --git a/spamass-milter.1 b/spamass-milter.1
index 98b8a06f736dd4eca36294bb4135098251d779fc..185cb6fa304ecdfa9cd2fab5cce12a5dc330e1ef 100644 (file)
--- a/spamass-milter.1
+++ b/spamass-milter.1
@@ -14,6 +14,7 @@
 .Op Fl e Ar defaultdomain
 .Op Fl f
 .Op Fl i Ar networks
+.Op Fl I
 .Op Fl m
 .Op Fl M
 .Op Fl P Ar pidfile
@@ -119,6 +120,8 @@ Multiple
 flags will append to the list.
 For example, if you list all your internal networks, no outgoing emails
 will be filtered.
+.It Fl I
+Ignores messages if the sender has authenticated via SMTP AUTH.
 .It Fl m
 Disables modification of the 
 .Ql Subject: