Spam filters are a funny breed of technology - given at how many levels they operate - ISP, email programme, desktop etc, they have become like fences in the Grand National - very hard to negotiate.
They also lack coverage or commentary - so it is difficult to know if you have fallen, and if so, when or where.
Each filter is different and, it seems, increasing zealous - presumably in a bid to become the market leader.
AntiSpam - stops 99.9% of all spam (and lots of legitimate emails as well)
A client, fed up with her subscriber only emails getting filtered on an ad hoc basis, recently tried an experiment - she included every spammer phrase she could find, and the results were astounding - the highest open rate ever!
Made me, and the advice I had been giving her, look pretty silly.
The point is that it is a lottery nowadays - and suggestions for industry standards will only make it easier for spammers - they will have a much more precise definition of what they have to combat.
The problem with 3rd party filters is that they are deciding for you - at Inbox we have a no filters policy, and if that means we spend 10 minutes a day clicking delete in reply to those kind people who want to award us $30 million or enhance or gooleys, then so be it.
At least we get all of our email.
Wednesday, July 14, 2010
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