Sendmail: How does one blacklist annoying spammers?

[Timothy Murphy]

Greg Woods wrote:

> On Fri, 2010-06-25 at 15:29 -0700, Daniel B. Thurman wrote:
> 
>> Are you talking about something like this from sendmail.mc:
>> 
>> FEATURE(`dnsbl', `relays.ordb.org', `"Rejected due to Open Relay see
>> http://www.ordb.org/lookup/?host=" $&{clientaddr} " for more
>> information"')dnl
>> 
> 
> Yes, that is a DNS Block List (DNSBL). So is Spamhaus. There are a lot
> of them out there.

Are you saying you can implement spamhaus by a line in sendmail.mc ?
If so, what is the line?

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland