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On 21 Oct 99, at 16:12, Manuel de Ferran wrote:
> We have an old sendmail machine with IP1 and a nicely qmail machine with
> IP2. We have an MX entry something like : domain.com. IN MX IP1 We cant
> switch IPs of the machine.
>
> The problem is that : we modify the MX entry to redirects mail to IP2, but
> we still receive mail on IP1 (because of the delay for updating DNS
> entries).
>
> How to solve that ?
>
> 1. using fetchmail ?
no
> 2. using a feature of Sendmail (didnt see anything that would fit) ?
Frankly:
A. Do not tell sendmail that mail for yourdomain.com is local to it;
ie., it will deliver it to a better MX.
B. Allow relaying to yourdomain.com on the sendmail/
> 3. a way to reduce the delay for updating MX entry ?
Sure. Long time in advance (a week at least), give all your DNS
entries a short lifetime. After the change, bring the lifetime back to
normal to not have your DNS trashed.
> PS : I'm really impressed by the speed of qmail. Does 'Q' stand for
> Quick ?
I though it was for queue, like queue-mail.
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--
Petr Novotny, ANTEK CS
[EMAIL PROTECTED]
http://www.antek.cz
PGP key ID: 0x3BA9BC3F
-- Don't you know there ain't no devil there's just God when he's drunk.
[Tom Waits]
