On Thu, 2009-02-12 at 16:04 -0600, McDonald, Dan wrote:
> On Thu, 2009-02-12 at 19:10 +0000, Martin Gregorie wrote:
> > On Thu, 2009-02-12 at 12:50 -0500, Kris Deugau wrote:
> > Is there any way that greylisting can be implemented that would allow
> > users to opt in/out of it on a per-account basis?
> 
> sqlgrey supports opt-out/opt-in models.  It's a database table, so
> pretty easy to opt people out.
> 
> I find it hugely effective.  Even at home.
> 
That gives the OP another possibility: add a greylisting option to his
users preferences page and install sqlgrey with all users turned off by
default. Then he can tell them it exists, how it works and that its
their choice - on or off:

ON = a few minutes delay for just the first message from a new or
     infrequent correspondent and considerably less spam

        OR

OFF = no delays, but no spam reduction either
     


Martin


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