Cluster of MailScanners
Julian Field
MailScanner at ecs.soton.ac.uk
Mon Apr 25 18:33:45 IST 2005
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Gary,
Do you find that the one that gets most of the spam is the last one
listed in the zone file?
Pentland G. wrote:
>I would agree with Martin except to say that it doesn't guarantee an
>"even" spread of load.
>
>I have 3 MX hosts available to the world and one gets around 50% -> 60%
>of the load, with the other two each getting just over 20%, fortunately
>my hosts can handle it :-)
>
>It all depends how complicated you want to make your life.
>
>Gary
>
>Martin Hepworth wrote:
>
>
>>John
>>
>>normal way of doing this is to have mutliple MX records for the
>>domain with the same value. That way dns will round robin between the
>>computers and if one fails others will pick up the work load
>>automatically.
>>
>>
>>John Schmerold wrote:
>>
>>
>>>Has anyone tried following approach to configuring a cluster of
>>>MailScanner boxes? 1. Get an account at dyndns.org - They are good
>>>guys & don't ask for a bunch of money
>>>2. Define your mx record to be mx1.dnsalias.net
>>>3. Setup as many MailScanner boxes as your daily volume dictates
>>>(Let's say you're setting up 2 units)
>>>4. On the hour, run ddclient on box #1, on the 1/2 hour run ddclient
>>> on box #2 (see
>>>http://www.dyndns.org/support/clients/dyndns.html for info regarding
>>>ddclient) It seems to me that this should help the huge spam attacks
>>>people are seeing. Will this work, is there a better way?
>>>
>>>
--
Julian Field
www.MailScanner.info
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