It prevents people from arbitrarily using a machine as a SMTP server who don't belong on it though... Yahoo uses it, and before I began running my own SMTP server, I had to deal with the login before sending scenario. Patrick On Tue, 4 Sep 2001, Jason wrote: > Theres a beautiful irony in that. > > Most of the people who are running the SMTP servers have some other > method (constant connection, for example) of avoiding the problems > they themselves are so skilled at creating, so they havent even > bothered adressing the issue. Just another example of how screwed up > the internet gets when the openness is lost. > > William Lindley wrote: > > I've found LOTS of info (on Google et al) about how to set up a Postfix > > *server* to require POP-before-SMTP... > > > > BUT NOWHERE is the answer to: > > > > * How do I set Postfix to login to SMTP before sending mail? > >