On 09/09/16 15:08, Blake Hudson wrote: > Couldn't one just use a separate smtpd listener in master.cf for IP4 > and IP6 if one wanted to implement different policies for each protocol? > > Personally, I want to have parity between IP4 and IP6, not additional > differences that are going to increase troubleshooting. > > --Blake You're probably right. The PREGREET in postscreen, and things like policyd-weight will inflict a fair attrition rate, even with IPv6. And that is before the content filters get hold of the message...
Also, the Spamhaus DROP listings now have a file of compromised IPv6 netblocks. (I have a multi-list / IPv6 version of Julien Vehent's lasso-update.sh - which processes the listings for postscreen - if anyone is interested) Allen C