On 12/09/2010 09:34 AM, Chris Owen wrote:
> The other thing we see that always amazes me is that if we have MXs that are 
> all the same weight, the ones that have the lowest reverse DNS host name get 
> hit higher.
>
We merge identical-weighted MX records into one and round-robin the
mailserver DNS name instead - that seems to fix that problem

ie

mx 0 mail1
mx 0 mail2

becomes

mx 0 mail
...and "mail" maps to the IPs of mail1 and mail2

-- 
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

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