Date: Fri, 25 Jul 1997 08:48:47 -0600 From: Warner Losh <imp@rover.village.org> To: Terry Lambert <terry@lambert.org> Cc: jas@flyingfox.com (Jim Shankland), Anthony.Kimball@East.Sun.COM, current@freebsd.org Subject: Re: (over)zealous mail bouncing Message-ID: <E0wrlfj-0000Zf-00@rover.village.org> In-Reply-To: Your message of "Thu, 24 Jul 1997 16:21:00 PDT." <199707242321.QAA18495@phaeton.artisoft.com> References: <199707242321.QAA18495@phaeton.artisoft.com>
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In message <199707242321.QAA18495@phaeton.artisoft.com> Terry Lambert writes: : Reverse Address Resoloution Protocol. When someone connects to me, : I can always geet the IP address they are connecting from. Using : RARP, I can turn the address into a machine name, and compare it : with what you tell me on the "HELO" and "MAIL FROM:" lines. Terry, that's complete bullshit. RARP is a protocol used on the ethernet for booting workstations ask for their IP address. Much like ARP. Turning IP -> DNS name is just a DNS lookup. Warner
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