Hi Recently I have installed Mail Server in my Ubuntu Machine (MTA - postfix , MDA - Courirer , Client - Squirrelmail and outlook) And configured DNS too. But when i tried to send a mail to yahoo my mail.log message shows an error saying that Jul 15 20:22:00 ityug postfix/smtp[7205]: 348CED00444: host b.mx.mail.yahoo.com[66.196.82.7] refused to talk to me: 553 Mail from 122.169.248.92 not allowed - 5.7.1 [BL21] [B]Connections not accepted from IP addresses on Spamhaus PBL;[/U][/B] see http://postmaster.yahoo.com/550-bl21.html [550] How to overcome this PBL error? And I tried nslookup my ip address it is redirecting to my ISP domain it is not showing my domain . why ? Server: 10.0.0.1 Address: 10.0.0.1#53 Non-authoritative answer: 92.248.169.122.in-addr.arpa name = ABTS-AP-Static-092.248.169.122.airtelbroadband.in. Authoritative answers can be found from: 248.169.122.in-addr.arpa nameserver = dnsglobal.mantraonline.com. 248.169.122.in-addr.arpa nameserver = dnsbom.mantraonline.com. 248.169.122.in-addr.arpa nameserver = dnsdel.mantraonline.com. 248.169.122.in-addr.arpa nameserver = aaadel.mantraonline.com. 248.169.122.in-addr.arpa nameserver = dnsblr.mantraonline.com. aaadel.mantraonline.com internet address = 202.56.230.6 dnsblr.mantraonline.com internet address = 202.56.250.5 dnsbom.mantraonline.com internet address = 202.56.240.5 dnsdel.mantraonline.com internet address = 202.56.230.5 dnsglobal.mantraonline.com internet address = 202.56.230.52 Any body suggest me where I did the mistake ?
