from http://verify-email.org/ pjdyer@swbell.net - Result: Bad MX record about swbell.net exists. Connection succeeded to ff-ip4-mx-vip1.prodigy.net SMTP. 220 flpd569.prodigy.net ESMTP Sendmail 8.14.4 IN nd2 TLS/8.14.4; Wed, 30 Mar 2016 14:21:42 -0700 > HELO verify-email.org 250 flpd569.prodigy.net Hello verify-email.org [verify-email.org] (may be forged), pleased to meet you > MAIL FROM: =553 5.3.0 flpd569 DNSBL:ATTRBL 521< verify-email.org >_is_blocked.__For_information_see_http://att.net/blocks > RCPT TO: =553 5.3.0 flpd569 DNSBL:ATTRBL 521< verify-email.org >_is_blocked.__For_information_see_http://att.net/blocks