I am not sure what is causing the issue. The email appears to be coming from a Yahoo server of sorts. This is a legitimate email.
How do I know what is the issue based upon the following response;
Sent: Sunday, August 18, 2013 11:54 PM
Subject: Failure Notice
Sorry, we were unable to deliver your message to the following address.
Remote host said: 550 Dynamic Style reverse DNS IP=[126.96.36.199].Rejected by MagicSpam 1.0.5-3.4 (xxxx://www .magicspam .com/).Visit xxxx://www . linuxmagic . com/best_practices/check_dynamic_reverse_dns.html for more information [RCPT_TO]
--- Below this line is a copy of the message.
Received: from [188.8.131.52] by nm13. access. bullet. mail. gq1. yahoo. com with NNFMP; 19 Aug 2013 03:53:08 -0000
Received: from [184.108.40.206] by tm2. access. bullet .mail. gq1. yahoo .com with NNFMP; 19 Aug 2013 03:53:08 -0000
Received: from [127.0.0.1] by smtp104. sbc. mail. gq1. yahoo. com with NNFMP; 19 Aug 2013 03:53:08 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bellsouth.net; s=s1024; t=1376884388;