[nzlug] (OT) Sorbs etc, was Exim: Limiting outgoing connections on Debian

[Cliff Pratt]

Donald Gordon wrote:
> On Fri, 06 Oct 2006 15:12:37 +1300, Tony Wills <ajwills at paradise.net.nz> wrote:
> 
>> I still get tons of SPAM via my ISP (although the amount that they're 
>> syphoning into the Spam folder at their end seems to have diminished).  I 
>> get none through my own server which uses greylisting - a very effective 
>> idea for small email servers - I get an awful lot of "unexpected 
>> disconnectsion"s from spammers that are asked to wait :-)
> 
> Greylisting is not terribly wonderful.  It cuts down on some spam, but
> breaks an expectation that many users have: that their email is sent
> instantaneously.  And I have a client whose odd Mac-based mailserver
> package doesn't know what retrying is :-(
> 
Greylisting is an evil perversion of the SMTP protocol and if I find any 
servers using it I blacklist them. Nasty obnoxious bandwidth and spool 
space wasters!

Cheers,

Cliff