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Date:      Sat, 3 Feb 2001 18:32:03 -0800
From:      "Crist J. Clark" <cjclark@reflexnet.net>
To:        Dmitry.Karpov@misa.ac.ru
Cc:        edwin@d9168.upc-d.chello.nl, freebsd-questions@FreeBSD.ORG
Subject:   Re: root-SetUID for /usr/libexec/mail.local
Message-ID:  <20010203183203.O91447@rfx-216-196-73-168.users.reflex>
In-Reply-To: <200102031452.f13EqHH17387@titan.misa.ac.ru>; from Dmitry.Karpov@misa.ac.ru on Sat, Feb 03, 2001 at 02:52:17PM %2B0000
References:  <200102031452.f13EqHH17387@titan.misa.ac.ru>

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On Sat, Feb 03, 2001 at 02:52:17PM +0000, Dmitry.Karpov@misa.ac.ru wrote:

[snip]

> Sorry, I am very little speak english.
> My problem was: When I install FreeBSD'4.2 on computer,
> my computer can't receive local mail and put it into mailbox.

You have not updated your sendmail.cf.

> I remember, some time ago today-installed FreeBSD don't relay e-mail -
> Ok, I am understand, the reason is spam-danger open mail-relay
> (spammes may use open mial-relay to send spam).
> Does anybody know: why mail.local has no SetUID,
> and F=S flag is absent in local mailer, both?
> Is SetUID for mail.local some "security hole"?

It is a potential security hole. There is no good reason mail.local
needs to be setuid, so why have the extra risk?

> Will SetUID for mail.local in next FreeBSD versions?

No. This was actually a change made in sendmail itself and not just
FreeBSD's distribution of it.
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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