[ mailman-Bugs-1204262 ] Block attachments by default

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Bugs item #1204262, was opened at 2005-05-18 16:15
Message generated for change (Tracker Item Submitted) made by Item Submitter
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Category: mail delivery
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Lars Noodén (larsnooden)
Assigned to: Nobody/Anonymous (nobody)
Summary: Block attachments by default

Initial Comment:
Netiquette requires that people refrain from sending attachments to 
lists.  Most mailing lists have have policy anyway to explicity 
request that user respect eachother's bandwidth.  Thus for these 
groups any mail that arrives with an attachment is probably an mS-
virus or mS-worm and not welcome anyway.  So Mailman ought to 
have a function to block messages with attachments - and that 
function ought to be turned on by default. There are exceptions 
though, so it should be possible to turn off this blocking for individual 
lists.

There could be several behaviors to do this:

1) send the whole thing to /dev/null

2) send the attachment to /dev/null and let the text-based body 
through

3) do either of the above and send a warning to the sender 
explaining what happened

etc.

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