Date: Sat, 22 Jul 1995 16:41:01 -0400 (EDT) From: Network Coordinator <nc@ai.net> To: Nate Williams <nate@trout.sri.MT.net> Cc: hackers@FreeBSD.org Subject: Re: MX records and sendmail Message-ID: <Pine.BSF.3.91.950722163655.9901A-100000@aries.ai.net> In-Reply-To: <199507221937.NAA00267@trout.sri.MT.net>
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You shouldn't add Machine A to Machine B's Cw array. That will make
Machine B think it actually *IS* machine A. What you should tell machine
B to do is try machines directly if it is the most preferred site. [Ow
should have a True in it]. Normally what will happen is say you have
Site A MX 10 Site B
in the DNS entry, what will happen is B will freak out trying to send
back to itself on the MX try. Site B is the best site for A, it should
try A directly. What will happen is the mail will be held in B's queue
until A comes back online.
What might work for you otherwise is:
Site A MX 5 Site A
MX 10 Site B
so B will try to send the mail to A if it can. Though setting Ow to True
works over here.
Hope it helps,
-Jerry.
On Sat, 22 Jul 1995, Nate Williams wrote:
> How do I go about setting up a MX record such that email to site A is
> sent to site B but is only queued up instead of being delivered to the
> users on Site B.
>
> Machine A is connected to the Internet via a SLIP line, which goes down
> whenever I need the phone or need the computer for non-BSD work.
> Machine B is on the Internet full-time, and is the primary DNS box for
> my sub-net.
>
> I added the MX record to point to machine B which machine A is down, but
> it was orginally rejecting the email until I modified the sendmail.cf
> file to accept mail to machine B. However, now it's delivering the
> email to the users on machine B instead of queing up the email and
> waiting until machine A is back up, and I can't send email from machine
> B to A since B knows it's machine A.
>
> Is this possible? Since I have access to both machines, I know that I
> can at least get the mail destined to machine A no matter what if it at
> least spools on machine B.
>
> Thanks in advance,
>
> Nate
>
>
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