Date: Wed, 5 Sep 2001 09:58:44 -0700 From: Gregory Neil Shapiro <gshapiro@FreeBSD.ORG> To: Igor Podlesny <poige@morning.ru> Cc: freebsd-isp@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: auto relaying for subdomains -- why? Message-ID: <15254.22980.843972.348805@horsey.gshapiro.net> In-Reply-To: <16615694707.20010905210719@morning.ru> References: <16615694707.20010905210719@morning.ru>
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poige> I noticed that some mailers (sendmail, postfix) in case they a=
llow
poige> relaying for somedomain.zone also allow relaying =
for
poige> subdomain-of.somedomain.zone.
poige> I can accept this as reasonable behavior but would like to know ho=
w to
poige> deny it! :) Also I wish to know what was the actual idea behind th=
is?
=46rom /usr/share/sendmail/cf/README:
+----------+
| FEATURES |
+----------+
=2E..
Available features are:
=2E..
relay_hosts_only
By default, names that are listed as RELAY in the access
db and class {R} are domain names, not host names.
For example, if you specify ``foo.com'', then mail to or
from foo.com, abc.foo.com, or a.very.deep.domain.foo.com
will all be accepted for relaying. This feature changes
the behaviour to lookup individual host names only.
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