Rafael Azevedo via Postfix-users:
> Hi there,
> Thanks for the reply.
> I'm not having performance issues, but this is messing my logs and
> statistics only.
> Any work around to get this verification only once?
Wietse:
> That would require a global cache for trivial-rewrite results.
> Since this is would at best be an O(1) optimization, it is not woth
> the added complexity.
Rafael Azevedo via Postfix-users:
> Can this cache be increased?
Such a cache does not exist; and if it existed, it should be limited
in size and expiration time, otherwise Postfix would not survive
high load (or resource exhaustion attacks). Caching would also
break the time relationship between Postfix Milter protocol
requests with a recipient, and Postfix tcp_table requests with that
recipient.
I already mentioned that the cache can provide only an O(1) optimization,
not worth the complexity.
I expect that it will be easier to ignore the duplicates in your code.
Wietse
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