Thanks!  That seems to have done it.
I sent an email from a Yahoo account to a gmail account that I have my OE configured to receive using Comcast my ISP.
I received it and replied and it showed up in the Yahoo account.
I think that did it anyway.  Quite confusing actually.
I've run into an error message here at home before but I really need to correctly configure a few accounts at the wife's office.  I have their OE set up to receive email through the company website that I subsequently found they could not reply to.
Thanks again.