Re: Welcome to the new(ish) ASRG list
Barry Shein <[email protected]>
| Newsgroups | gmane.ietf.asrg |
|---|---|
| Message-ID | <[email protected]> |
I think you missed my point, my fault. I just meant instead of outright blocking a mismatch one COULD use a scheme analagous to SA where they just add some points to total spamminess score if it doesn't match. I didn't mean that is current practice by SA necessarily. On March 17, 2013 at 14:18 [email protected] (Rob McEwen) wrote: > On 3/17/2013 1:54 PM, Barry Shein wrote: > > On March 17, 2013 at 02:10 [email protected] (Rob McEwen) wrote: > > > On 3/17/2013 1:50 AM, Roger B.A. Klorese wrote: > > > > and/or the reverse not match the From: domain > > > > > > Then those systems are blocking massive amounts of legit mail because > > > massive amounts of legit mail is sent from IPs that have a valid rDNS, > > > yet where the domain in the rDNS doesn't match the "from" address. This > > > is really silly... many "shared hosting" environments are set up where > > > the sender (typically a small business hosting a web site there) is > > > using their hoster's mail server for sending mail. > > > > Wasn't this problem solved by SpamAssassin's scoring approach, give it > > a point or two for this and use a threshold, if there are no other red > > flags let it through. > > A typical default SA setup scores about 2 (or more?) points against "no > rDNS". The fact that SA scores against "no rDNS" is common knowledge > within the SA community. > > But I don't think that SA scores any points against a message for the > rDNS ending in a domain name that is different from the domain in the > "from" address. If I'm wrong, then THAT score is likely something like > "0.1"... or something negligible like that. I've followed the SA list > for years and I've never heard of any mention of such a test in SA. > > -- > Rob McEwen > http://dnsbl.invaluement.com/ > [email protected] > +1 (478) 475-9032 -- -Barry Shein The World | [email protected] | http://www.TheWorld.com Purveyors to the Trade | Voice: 800-THE-WRLD | Dial-Up: US, PR, Canada Software Tool & Die | Public Access Internet | SINCE 1989 *oo*