connection refused by 127.0.0.1

[Alex Neuman van der Hans]

Dhawal Doshy wrote:
>
> Umm.. why not reject sender domains, where the MX record points (yeah 
> yeah MX records point to A records, which point to IP addresses 
> whatever) to an invalid entry like 
> 192.168.x.x/10.x.x.x/172.168.x.x/127.x.x.x/224.x.x.x
>
> Postfix lets me do this using a cidr map for the 
> 'check_sender_mx_access' parameter, i'm sure a sendmail milter can do 
> some thing similar.
If you're using sendmail, you could probably use an RBL for this. Look 
for "bogon dnsbls" at http://spamlinks.net/filter-dnsbl-lists.htm, you 
might want to use bogons.cymru.com for this.