On Thu, 24 May 2001, Matt Cramer wrote:
http://spam.abuse.net/spam/tools/smPbS.html
POP3 before SMTP. Works for any MUA that supports POP3, and the only impact to the user experience is that the user needs to check her mail before she sends mail (which most do anyway).
Now, please try this, close your relay, and cease this off-topic whining to this list.
I will give you a solid reason why we won't try this, quoting research with POP-before-SMTP conducted by the founder of MAPS TSI, Chip Rosenthal http://users.laserlink.net/~chip/relay-pres-9910/ You don't have to believe me that our clients will not accept that, take his words instead: "Our users hated it - particularly those using MS Outlook" No need to describe what happens when your clients hate your service... --Mitch NetSide