I have always been under the impression that signatures were for written letters, and e-mail didn't need it, since the sender's name is right there on the header, and it isn't the same as typing on company letterhead.

Didn't even know you could have an auto signature. I remember using taglines in the Blue Wave Mail Door days, but that was it. Heh.

But I don't use outlook or anything, I just use some anonymous web-based mail service.