On Wed, 3 Mar 2004, Philip Reynolds wrote:
> 1) Providing this kind of functionality at SMTP level with Postfix
> means leaving your server far more susceptible to DoS attack.
The scaling overhead is sort of compelling, but CPU time is cheap
these days, buy more boxes - checking at SMTP time is the only way to
go about things if you wish a bounce to be generated.
regards,
--
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