Gidday,

http://cloudflare.com

The free plan provides what you need and we have had great success with some very heavy traffic websites.

Downside:
You have to hand over your DNS management to them...(for us this has been very useful...may not be everyone's cup of tea)

Rgds
BW


On Wed, Apr 3, 2013 at 12:16 PM, Russell Coker <russell@coker.com.au> wrote:
Currently I'm using block spam by math (forcing commenters to solve a simple
addition) and Akismet to stop Wordpress spam.

This works reasonably well, now I get about a dozen comments in my spam folder
a day (much less than it used to be).

Does anyone have any other anti-spam systems that they can recommend?  One
thing I'd like is a plugin which only permits one pending or spam folder
comment per IP address.

--
My Main Blog         http://etbe.coker.com.au/
My Documents Blog    http://doc.coker.com.au/
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