Good Spam blocking RBL's + greet_pause

[John Rudd]

On Apr 27, 2006, at 12:00 PM, kte at nexis.be wrote:

>
> What are the most spam + another crap mail blocking RBL's from the 
> moment?
> And what is a goog timeout for the greet_pause in sendmail I have now 
> 5000 ?
>

You can safely set the greet_pause up to 15000 without any real 
problems.  I set mine at 30000, but I had to put in exceptions for 
verizon's mail servers and mac.com's mail servers.

As for RBL's, I use SBL and XBL.  I'd also recommend looking into a 
milter which allows you to reject hosts that have no rDNS, their rDNS 
result doesn't have an A record, and hosts that put parts of their own 
IP address into their hostname. Just a day or two ago, I posted my 
mimedefang-filter for use with mimedefang, which does a bunch of that.