Matthew Yette wrote: > I'm currently running qmail 1.03, SA 3.20 with qmail-scanner 1.25st. > Every single piece of mail that runs through the system gets hit with > RDNS_NONE, which adds 0.1 points to the score. Not a major deal - and > if there isn't a fix, it wouldn't be a problem - but I figured I'd try > to make things perfect if possible. :) > There was a change in SA around 3.2.1 whereby it no longer relies on its own code to do PTR lookups (rDNS) of the MTAs showing in the Received: headers. Instead it relies on the local MTA to have done it and written it into the header field.
By default Qmail doesn't do rDNS lookups (performance reasons), so you need to change tcpserver to do them - which then makes SA happy again. i.e. you want "tcpserver -h" instead of "tcpserver -H" -- Cheers Jason Haar Information Security Manager, Trimble Navigation Ltd. Phone: +64 3 9635 377 Fax: +64 3 9635 417 PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
