On 11/2/2011 10:43 AM, Keith Steensma wrote: > It's been a long time since I have participated in this list (goes > to show how good Postfiix is when it can run for years with so few > problems). Our company has decided to start using an outside SPAM > filtering service. Overall, this is doing a very good job. But we > are getting SPAM directly into out system and I need to block all > outside SMTP connections except the connections from a group of 8 IP > address'. > > CIDR notation: 199.89.0.0/21 > Netmask notation: 199.89.0.0 with a netmask of 255.255.248.0 > Address range: 199.89.0.0 through 199.89.7.255 > > I tried (from "Getting selective with SMTP access restriction lists" > web page) > > smtpd_recipient_restrictions = permit_mynetworks, > reject_unauth_destination
Just replace "reject_unauth_destination" with "reject" and you're good to go. -- Noel Jones > mynetworks = 127.0.0.0/8, 192.168.1.0/24, 199.89.0.0/21 > > But that only solved half the problem. Mail is still getting in > from from IP's (like from 203.200.235.214 by 125.160.50.143) > > Can anyone offer a suggestion how to fix this problem the right way? > > Keith Steensma >
