On Friday 24 Dec 2010, Chris Davies wrote: > To do this is straightforward if somewhat fiddly. > > - Enable junk/spam processing (I assume KMail can do this) > - Create a filter for each of the known shops and mailing lists Yes, I think this is essentially the Thunderbird approach. Each acceptable address must be captured somewhere for future comparison. If not the address book, the filter chain will do the trick. Thanks. steve