Re: problem with spf from backup mx

On Sun, Jun 05, 2005 at 12:11:36PM +0200, Magnus B?ck wrote:

> > Is it possible to set-up backup server to forward mails to my primary
> > with correct IP (email domain IP)?
>
> The best solution is to stop using a backup MX since you probably don't
> need it anyway. If that's not an option, configure it to use the same
> antispam measures as your primary MX.

With SPF same policy != same outcome. So in fact:

> If that's not an option, never reject messages from your backup MX.
>

This is the key advice once the backup MX is doing all the required
processing for mail it receives, it should be added $mynetworks. Otherwise
remove the backup MX record.

Better yet (my opinion, not for further discussion here: search the list
archives) don't use SPF, it is IMHO a bad idea.

--
Viktor.

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