On Sunday 28 Sep 2008, Kenneth Gonsalves wrote:
didnt work - smtp password for foo gets changed to that of bar. And, now I remember other people also have been bitten by this bug. So you need same password for all accounts - and if you have valuable and non-valuable accounts, you are screwed.
Over the year I have come across unexpected KMail behaviour even though the settings suggest things should happen otherwise. At times forcing creation of a new ~/.kde (backup the original ~/.kde) has helped.
You can give this a try.
and even when special transport is enabled kmail doesnt have the brains to use the correct account when replying.
Please write a bug report if above does not work.