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Yup, good idea! And yes I was already doing that on the lists I host; the loops were occuring on lists hosted elsewhere. But on my lists, the posters still got a "loop detected" message for each message they sent; even though I could explain it to them, they were getting rather peeved because it took me about 3 weeks to track down the email address in the list that was causing the problem (it went away and came back a few times). But the problem remains that mail which is correctly addressed doesn't get delivered, and the people who are affected by it are those least able to understand what's gone wrong. -Martin --------- To unsubscribe from nznog, send email to majordomo(a)list.waikato.ac.nz where the body of your message reads: unsubscribe nznog