Re: tlug: SMTP and junk email [was: How are they doing this? ]

[Jim Tittsler <jwt@example.com>]

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tlug note from Jim Tittsler <jwt@example.com>
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On Tue, Aug 12, 1997 at 02:07:54PM +0900, Stephen J. Turnbull wrote:
> bash% telnet 127.0.0.1 25 # 25 is the SMTP TCP port
> HELO your.own.domain # some hosts gethostbyaddress, not all
> ... some protocol reply ...
> MAIL FROM: any.old.address@example.com # this may have been
>                                             # forwarded, eg from UUCP,
>                                             # so nobody checks

Actually, some sites are checking nowadays.  Try this sending to gol1.gol.com
for example.  It fails for at least some "nobody.can.check" values.  (Like
my mww.dyn.ml.org machine.)

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