Sent from my iPad Saswata Banerjee On 25-Aug-2010, at 1:51 PM, Vivek Varghese Cherian <[email protected]> wrote:
>>> Shit ! >>> Sorry guys. There is a problem with the spam filter on my server. >>> It's marking my outward emails as spam, not just inwards. In this case >> it's because mtnl static ip is marked somewhere as a spam source. >> >> Oops again. It's a mtnl dynamic ip >> >> > Any Internet facing mail server directly relays mails should have a Static > I.P Address with a reverse PTR record set. > > Many mail servers are configured to lookup RBLs that reject mails that > originate from servers that do not have a reverse DNS record set. The > reverse DNS lookup is essential for the recipient mail servers to correctly > understand where the Mail originated from and the setting of reverse DNS > records (PTR) record is now a standard practice followed by any server on > the Internet directly relaying mails (this is mostly to prevent spam). > > If you want to have your own Corporate Mail Server directly relay mails to > the Internet, I highly recommend getting a static I.P Address from MTNL. The > Static I.P Address from MTNL costs Rs 1000/- a year (for home use) and the > Static I.P Address thus provided by MTNL also has a proper PTR record in > place. You can also request MTNL to change this PTR record to something > professional like mail.your-company name.com or something similar if you > want to. > > Another option you have is to use a smarthost to relay mails to the internet > for you. > A smart host is a dedicated Email server (mostly provided by your ISP or a > third party) that has all the necessary settings in place for you to send > your outgoing mails to it, and the relay host in turn will relay it to the > Internet. Please see my earlier reply. I think the scenario is different from what my op made it look like. Please tell me what I need to do in that scenario. > > > Please also refer to these URLs:- > > http://en.wikipedia.org/wiki/Reverse_DNS_lookup > http://en.wikipedia.org/wiki/Sender_Policy_Framework > http://en.wikipedia.org/wiki/DNSBL > > > Regards, > -- > Vivek Varghese Cherian > Senior Systems Administrator > RHCT ( # 605010995430406) > > Website : http://www.vivekcherian.com > Blog: http://www.vivekcherian.net > Linkedin: http://www.linkedin.com/in/vivekvc > IRC: Vivek and ViveKVC on both Freenode and OFTC > GPG Key fingerprint = 1EB1 0647 9574 18A3 40B5 8D74 F842 576B 3C2B 8538 > -- > http://mm.glug-bom.org/mailman/listinfo/linuxers -- http://mm.glug-bom.org/mailman/listinfo/linuxers
