I do have reverse DNS for my MX? mx1# dig mx1.duracom.net
; <<>> DiG 9.2.3 <<>> mx1.duracom.net ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11801 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2 ;; QUESTION SECTION: ;mx1.duracom.net. IN A ;; ANSWER SECTION: mx1.duracom.net. 1202 IN A 65.66.8.6 ;; AUTHORITY SECTION: duracom.net. 1202 IN NS ns1.duracom.net. duracom.net. 1202 IN NS ns2.duracom.net. duracom.net. 1202 IN NS ns3.duracom.net. ;; ADDITIONAL SECTION: ns2.duracom.net. 117363 IN A 65.66.11.240 ns3.duracom.net. 117363 IN A 66.137.169.2 ;; Query time: 1 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Oct 11 10:36:42 2004 ;; MSG SIZE rcvd: 135 mx1# dig -x 65.66.8.6 ; <<>> DiG 9.2.3 <<>> -x 65.66.8.6 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6867 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2 ;; QUESTION SECTION: ;6.8.66.65.in-addr.arpa. IN PTR ;; ANSWER SECTION: 6.8.66.65.in-addr.arpa. 16617 IN PTR mx1.duracom.net. ;; AUTHORITY SECTION: 8.66.65.in-addr.arpa. 78698 IN NS ns3.duracom.net. 8.66.65.in-addr.arpa. 78698 IN NS ns1.duracom.net. 8.66.65.in-addr.arpa. 78698 IN NS ns2.duracom.net. ;; ADDITIONAL SECTION: ns2.duracom.net. 117352 IN A 65.66.11.240 ns3.duracom.net. 117352 IN A 66.137.169.2 ;; Query time: 1 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Oct 11 10:36:53 2004 ;; MSG SIZE rcvd: 155 Thanks, Kris McElroy [EMAIL PROTECTED] Chief Technology Officer Duracom, INC. www.duracom.net -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Tolmachoff (Lists) Sent: Monday, October 11, 2004 10:23 AM To: [EMAIL PROTECTED] Subject: RE: [IMail Forum] OT: ATT & Verizon Contacts? Maybe they started checking for RevDNS entries on the MX before accepting? John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:IMail_Forum- > [EMAIL PROTECTED] On Behalf Of Kris McElroy > Sent: Monday, October 11, 2004 8:03 AM > To: [EMAIL PROTECTED] > Subject: [IMail Forum] OT: ATT & Verizon Contacts? > > For some reason ATT and Verizon started blocking my network from sending > them email. Does anyone know of a contact at either place? I have tried > the following: [EMAIL PROTECTED] and [EMAIL PROTECTED] with no > response back from either? Below are the rejects from ATT: > > Oct 7 15:38:53 mx1 postfix/smtp[53963]: BB7C157CE: host > gateway2.att.net[12.102.240.23] refused to talk to me: 550 unauthorized > interface for 65.66.8.6 on mtiwmxc16 > > Oct 7 15:38:53 mx1 postfix/smtp[53963]: BB7C157CE: to=<[EMAIL PROTECTED]>, > relay=gateway1.att.net[204.127.134.23], delay=1, status=deferred (host > gateway1.att.net[204.127.134.23] refused to talk to me: 550 unauthorized > interface for 65.66.8.6 on mtiwmxc13) > > > > > Thanks, > > > Kris McElroy > [EMAIL PROTECTED] > > Chief Technology Officer > Duracom, INC. > www.duracom.net > > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
