eMail address variation contra mail-spam - thanks for the replies....

I want to thank everybody for your replies (also those by mail).

The 'TMDA' approach is unusable for average or newbie users.
The use of 'subadresses' seems to be already what I am looking for -
and as their seems to be a decade of experience I'll investigate more
into this direction by private mail.

In case of success you'll see a conclusion of my efforts here.

'Til then: CU

-- 
Juergen