This has happened to me quite a bit with my ISP. I hadn't ever seen it until I changed over to Indy Net. Seems like it happens once or twice a week, luckily for me they have 24 hour tech support, and I get an error specifying something about envelopes. Usually, I just call them and tell them that I have a bad header, they delete it and I get my mail back. Recently, the header was so messed up that it actually took an administrator to fix it. I would be very interested in hearing what anybody has to say on this, it has me completely baffled. Liz > On another topic, my Century ISP is having difficulty with mail I > have been receiving recently. Four times in the last two weeks, my ability > to receive mail has been knocked out by mail trying to come through with > "an extra character", and this causes "authentication failed" and "timeout > occurred" messages to continue until a systems person personally deletes > the extra character from the offending piece of mail. This has caused me > to be without e-mail reception capability for a day or so at a time, as the > systems personnel go home around 5pm, and also work on a "first come, first > served" system, and it is also involving lenthy, very trying calls with the > Century tech folks. When this first occurred, I was told this was "an <snip>