I've had the exact same problem (Except I got shewed away because I said 'express')

Anyways, it replies to the wrong account.
As stated above, I had removed both accounts, added them in sequential order, actually changed the email account addresses and changed their names in outlook (express), and yet, the same problem.


It always changes back to 'email3' to send even though 'email4' is the defualt, no matter what order they are added.


Weird ?
I will try playing around with Identities (Profiles) some more later, but this basically means deleting everythig from outlook and starting completely fresh, ... What is wrong with have a "reply with" option .... DUHH Microsoft .....



I'm lost.