On Wed, 2012-01-11 at 18:57 +0530, Balachandran Sivakumar wrote: > > is setting that up a big problem? In the old days domains used to be > > blacklisted without much evidence. Nowadays I see that if a > mailserver > > gets a mail purporting to be from my domain, it verifies to see > whether > > the said mail *actually* comes from the IP of my domain. > > Yes, they use stuff like SPF, DKIM etc. Setting them up is not > a big problem. But neither is it trivial. > > You need to know what problem you are trying to solve to > decide on the technology to use. If you just want to check the > ip/domain thing that you mentioned above, you need to use SPF. But if > the spammer sends to a domain that doesn't check for SPF/DKIM, and the > RCPT TO sent by the spammer doesn't exist(very likely), you will > receive a bounce mail. And if the spammer had done say 20 invalid RCPT > TOs, you will receive as many bounces. When you run your own servers, > you need to take care of all these scenarios. > > The bigger problem is that the adoption of such techniques is > not high. And a few claim that these techniques are controversial as > well. But may be, I am going off topic with this whole bunch of mails. > Sorry :( Thanks > >
the id I use on this list is run on my mailserver running on my VPS. Could you look at the headers and see if I am doing anything stupid. -- regards Kenneth Gonsalves _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
