> no, it doesn't seem to work like that because my postings to the list > do get through, despite the suremail message saying that they had been > deleted until I register with them. They are not talking about your posting to the list - of course that works - how could they stop it ? They are talking about your posting being fwded to the protected user - support@ whatever it was. > That fact in itself is enough to let one smell a rat, I think. And my > guess is that they harvest email addresses for spam purposes precisely > in that way. They don't do it openly off the postings on the list, but > if you register with them I bet there is a little clause somewhere in > the small print that allows them to sell off your address to spammers. That's not the way I read it as I have explained. I have used a system like this - my real account only recieved email from addresses I authorised or white listed unless the sender sent a second mail to the intecepting email server. That's what I think this is. Malcolm