Re: DSPAM Setup

[maarten <debian@ultratux.org>]

On Friday 23 July 2004 16:27, Adrian 'Dagurashibanipal' von Bidder wrote:
> On Friday 23 July 2004 15.46, ITC-Hosting wrote:
> > We are currently running a Postfix[...]
>
> Since you're running postfix... <plug>you may want to have a look at
> greylisting - the postgrey package provides this </plug>
>
> Unfortunately, postfix 2.1 is required, so woody users will have to
> wait. Greylisting is a very resource-friendly way to limit spam - there
> is a small database of envelope sender/recpt and client IP addresses,
> and it shifts a small burden to the sending mailservers (they have to
> queue a few mail for a few moments longer than otherwise necessary),
> but it is rarely noticed by users at all.

/smilie mode on

Well...  there is another severe problem with using greylisting.  It breaks 
conventional email.  I have not seen this stated yet on the list, yet it is 
potentially very very damaging to email as we know it...!

Take for instance, the other day.  I was just happy, relaxing, sending 28.3 
million emails out to some dear friends of mine who -I believe- wanted to 
know what I've been up to and what I currently sell.  And whaddayaknow, I got 
hundreds of thousands "Undelived"-status, as was shown in my emailprogram.
And all that due to greylisting, no less.  So. This has got to stop !!

/smilie mode off

So are there -for us poor woody users out there- any alternative means to 
deploy greylisting ?  For instance, does only postfix have greylisting or do 
other MTAs have (or plan to have) greylisting ?

Maarten


-- 
Linux: Because rebooting is for adding hardware.