Vernon Schryver wrote:
With the spam volume Chris Lewis is saying Nortel gets, I'd be
surprised if their infrastructure costs were less than $100K.
Large companies can afford that. Small ones can't.
No, filtering is cheap even if you use Perl schemes
such as SPamAssassin and it's almost invisible with others.
If you have a large scale industrial strength email infrastructure with
7x24 support, failover, backups, redundancy et. al., the hardware and
software costs tends to be lost in the noise - support is the
predominant cost. Our filtering probably consumes about 3 full-time
equivalents in FP handling/whitelisting/tuning/planning/networking
support and operations alone.
It's also on separate hardware to simplify things and permit us to
firewall off the real MTAs. Relatively cheap hardware. Supplying it
with 7x24 machine room/OS support costs a lot more than the hardware.
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