On 6 Sep 2009, at 00:05, Grant wrote:
...
The remainder of those you're inefficiently filtering are Linux
enthusiasts
running Postfix on their Gentoo boxes.
Yeah, I was planning on setting up postfix on my home Gentoo box too.
I guess I could relay through my ISP to avoid delivery problems like
this.
Why hasn't greylisting been mentioned? I greylist and it ends up
blocking at least 99% of spam in my experience.
There are some disadvantages to greylisting mentioned here:
http://en.wikipedia.org/wiki/Greylisting#Disadvantages
I think there may be an issue whereby if greylisting is widely
implemented & deployed against zombies then the zombies will just be
written to be RFC-compliant. :(
There's a LOT about this on the Postfix-Users list. It's worth
subscribing for a week or two - I find it hard to follow, but still
like I'm learning stuff there (there's quite a lot of traffic).
Stroller.
