Gerry Starnes wrote:

I am interested in disallowing attachments (documents, images), but want to enable use of html formatting such as bold and color. The FAQ addresses html attachments only that I have seen. I have tried a variety of settings, but haven't hit the right combination. I'd appreciate any help.

There is a basic design decision in content filtering that makes this difficult. Namely, after filtering, only the first remaining sub-part from a multipart/alternative part is retained.

What this means in practice is if you want to allow both text/plain parts and text/html parts, the only way to get html to the list is to insure that the MUA (e-mail client) that creates the post creates an html only message, not a multipart/alternative message with both text/plain and text/html sub-parts.

If you want Mailman content filtering to pass the html part from a multipart/alternative post, the only way to do this is to disallow text/plain and require everyone to post html, or to turn off content filtering and allow everything.

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