From owner-freebsd-hackers  Thu Jun 26 13:31:47 1997
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Date: Thu, 26 Jun 1997 13:22:18 -0700
From: "Randy B. Lymn" <rblim@aht.com>
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To: hackers@FreeBSD.ORG
Subject: talking in SMTP
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hi

I got some concerns about talking in SMTP. It seemed that people can
just use anonymous name or arbitrary name to send junk mail to other
people. Maybe bomb up your mailbox. Are there any ways to validify the
sender's email address in "talking in SMTP"?

Any ideas?