On Thu, 29 Mar 2007, John D. Hardin wrote:

Can anyone recommend a non-abusive *automated* way to validate email
addresses?

Maybe you should ask the spammers. :)

Seriously, though, there are basically two options: VRFY (which many
servers have disabled for just this reason); and starting a fake
message and checking for recipient errors.  Still, a lot of people
don't reject mail for bum users, choosing instead to accept the mail
and bounce it -- again, for precisely this reason.

Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University


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