On Tue, 28 Jun 2005 11:34:27 -0400 John Peacock <[EMAIL PROTECTED]> wrote:
> What is far more likely is that spammer will find the lazy > administrators who set up an SPF record with '-all' and use those > domains exclusively to forge their return addresses. Of course, that in > itself will lead to sites using SPF to discount *any* record containing > '-all' so spammers will not be able to use this for very long. I find this counter-intuitive. Please explain. Doesn't -all mean the admin has done the work to positively identify all the valid sources of email from his domain? Brian
