Re: [AMaViS-user] Queues

Gary wrote:

>> Also, relay1 is the SAME machine as relay2 and relay3, yet it always
>> seems backed up. Is this because its the first server listed? Should I
>> try rotating relay1 to the end of our pool for some domains so that, if
>> spammers and/or non-compliant mail servers pull the first MX record
>> instead of rotating, could this mean something?

> This is puzzling. I would think there would be no difference in the
> load on the servers, but this does depend on what the name servers
> serve up. It may be a good idea to manually provide different
> priorities on some of your domains (make relay1 the highest, or even
> leave it out). How are you determining the number of messages received
> by each server? Maybe they are receiving the same number now, but
> relay1 cannot handle them as well as the others because of some as yet
> unseen problem. I would spend some time reading your maillog for clues
> to problems.

Maybe some name servers that cache your records do not support round
robin, so they always dish up the first server. Maybe reordering the
MX records for 2/3 of your domains would help balance the load, as you
suggested.

relay1 relay2 relay3
relay2 relay3 relay1
relay3 relay1 relay2

Gary V



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