On Mon, 10 May 1999 08:20:27 +0100, you wrote:
>If you are using dbm type lookups then the lookup cost is relatively
>independent of the size of list. The reverse DNS is more costly, but
>you may be doing that already. Unless you have particular DNS problems
>then the cost of doing this blocking is close on zero against the other
>costs of doing mail. Remember that doing relay accept on modem pools
>normally just requires a small number of net blocks to be allowed using
>sender_net_accept_relay - which has a cost very close to zero.
So I read that a rejection of mail for selected hosts (such as the
open relays of one's customers) won't post a serious performance hit
on any "big" mail host running on reasonably sized hardware?
That's what I wanted to know :-)
Greetings
Marc
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Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fax: *49 721 966 31 29
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