Hi John >at the moment the authentication for sending mail is not being enforced by >the mail server; you are being asked to set this up in advance of that >enforcement being switched on. Yes but I am saying when I do that, it wont let me send mail. Repeat I understand the instructions, I did what it tells me to-do, but it simply stops me send mail, so I had to switch back. Regards, Derek e-mail: derek.hornby_uk@xxxxxxxxxxxxxxx ** Going on holiday and want to halt messages? Send a message to:- ** access-uk-request@xxxxxxxxxxxxx ** and in the Subject line type ** vacation ## d ** where ## is the number of days followed by d for days. ** For other things like digest mode, send a message, to ** access-uk-request@xxxxxxxxxxxxx with the Subject:- faq