I don't know the "best" way, but: 1) see if someone is already doing it by issuing a GOOGLE search for your list's messages (unauthorized archive?) 2) subscribe an additional userid in MIME DIGEST mode 3) do monthly GET listname LOGyymm OR GET listname LOGyymmA GET listname LOGyymmB GET listname LOGyymmC GET listname LOGyymmD GET listname LOGyymmE /Pete