Marc Perkel wrote: >> If you're keen to share your development, why don't you explain to us >> how it works? >> >> /Per Jessen, Zürich >> > > The details are a little to complex for this forum but the new trick > is mostly based on the fact that spam bots general don't issue the > QUIT command and when combined with other factors allows me to catch > spam bots on the first try.
Perhaps someone can turn this into a rule for SA to add some points. The mail-server that detects the missing QUIT could easily add a header which SA would then pick up on. But it might depend on what those "other factors" are. /Per Jessen, Zürich