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-rw-r--r--Mailman/Gui/Privacy.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/Mailman/Gui/Privacy.py b/Mailman/Gui/Privacy.py
index c3f3d49e..2668140b 100644
--- a/Mailman/Gui/Privacy.py
+++ b/Mailman/Gui/Privacy.py
@@ -384,7 +384,13 @@ class Privacy(GUIBase):
You can have more than one filter rule for your list. In that
case, each rule is matched in turn, with processing stopped after
- the first match.""")),
+ the first match.
+
+ Note that headers are collected from all the attachments
+ (except for the mailman administrivia message) and
+ matched against the regular expressions. With this feature,
+ you can effectively sort out messages with dangerous file
+ types or file name extensions.""")),
_('Legacy anti-spam filters'),