Milter-greylist

On Sat, Apr 19, 2008 at 8:10 AM, Mart Pirita <sysadmin@...> wrote:
> Tere.
>  >
>  > Because with the MTA you can only block mail with RBL:s. With
>  > greylisting you can use RBL:s to block *or* to have a longer
>  > greylisting period for example. Also much of the access rules of
>  > Sendmail can be done in milter-greylist with much more ease.
>  >
>  >
>  Why waste bandwidth, cpu, ram etc for spammers instead of rejecting them
>  in first attempt (MTA)? Ok, You give them longer greylisting period. How
>  many who did pass, it was not sending spam? Yes milter-greylist is much
>  easier to config, but this doesn't actually mean, that You have to
>  config it all the time:).

Since I tempfail them before the DATA phase I don't really waste much.
I haven't found a single RBL I trust to block outright, I regularly
see servers from the largest ISP:s listed and it causes problems even
when scoring in SpamAssassin.

>  And btw, if milter-greylist dies (it happens sometimes) and You are away
>  from computer for long time, all spam passes true?

Not really an issue when on Solaris 10 with its Service Management
Facility that takes care of things.

-- 
/peter