Thu, 8 May 1997 16:43:41 -0400
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In message <[log in to unmask]>, Brad Knowles writes:
>
> Get those SMTP MTAs to be compliant with RFC 1123 with regards
> to not adding source routes, and you won't have any problems.
Look guys, I hate spam as much as the next guy. But I still think the
solution you've come up with is unecessarily penalizing legitimate e-mail.
Based on perusing AOL's web page, I think that's what happening here is
quite simple:
You're using the same sendmail ruleset to filter BOTH RCPT TO: addresses
*and* MAIL FROM: addresses. To be perfectly blunt, This is laziness in
implementation on your part, and you shouldn't be quoting standards to
justify it (especially when the standards don't support your claim).
Filtering RCPT TO: is just fine (RFC1123 does say "A Sender-SMTP SHOULD NOT
send a RCPT TO: command containing an explicit source route using the "@...:"
address form." I support your move to *not* relay other people's e-mail for
them.
Filtering MAIL FROM: is not mentioned anywhere in RFC 1123, AND IS BREAKING
EXISTING, LEGITIMATE, E-MAIL.
This is my last word on the subject. After all, the only legitimate recourse
I have is to recommend that my correspondents switch to other, less
draconian, service providers, and I've already done that.
--
Harald Koch <[log in to unmask]>
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