Your domain cannot be resolved (@office.natepuri.com) so your isp is treating all your mail as spam. It shows up in your X-Envelope-Sender header. Also, check the message id's you're generating. They seem to be wrong: <blahblahblah@office.office.natepuri.com> Good luck! Bob Bernstein at Esmond, R.I., USA Pine/OpenBSD 2.4