questiosn about semantics of whitelist entries

Vernon Schryver vjs@calcite.rhyolite.com
Mon Sep 15 22:39:23 UTC 2003


> From: Craig Constantine <craig@blkbx.com>

> ...
> In things like comparing header names; is everything case insenstive?

yes.

> ...
> And, is it a substring match or a literal string comparison?
> eg header:
>
> From: "foo legit bulk source" <foobar@foo.bar>
>
> would the following match it?
> OK  from   foobar@foo.bar

The entire header that the MTA provides is checked.  Sendmail strips
the "comment".


> ...
> env_From:  "whiz bang" <list-confirm-UNIQUE_CODE_HERE@foo.bar>
>
> can I whitelist all such messages with a simple:
>
> OK  env_From  @foo.bar

The entire envelope Mail_From value is checked.
However, the "substituted" mail_host value would be "foo.bar" in that
case and it could be white-listed.


Vernon Schryver    vjs@rhyolite.com



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