Peering email is broken, looking for an AT&T contact. Please contact me off list.
The original message was received at Tue, 30 Apr 2019 16:11:17 -0400from m0053301.ppops.net [127.0.0.1] ----- The following addresses had permanent fatal errors -----<peering@att.com> (reason: 550 5.1.1 <peering@att.com>... User unknown) ----- Transcript of session follows -----... while talking to [144.160.112.16]:>>> DATA<<< 550 5.1.1 <peering@att.com>... User unknown550 5.1.1 <peering@att.com>... User unknown<<< 503 5.0.0 Need RCP --
Mehmet
+1-424-298-1903