i switched to a moderated forum, and disabled the attachment option.
hopefully that takes care of the spam.
--- In email@example.com, Eugeny.Sattler@R... wrote:
> I suggest group owner bans posting with attachments.
> That will ban messages inline pictures (like the recent one about
> lips) and html-multipart messages
> Thus, we will cut a lot of spam.
> If that does not help (they may continue spamming in plain text),
> "posts from new members require moderator's approval" should be