Sorry, I didn't answer because what Wade posted is usually the problem. Here is what the log file shows for emails it's trying to send to you:
Nov 16 15:42:46 tdr sendmail[82063]: hAGFgjc82061: to=r***************n@verizon.net, ctladdr=nobody (65534/65534), delay=00:00:01, xdelay=00:00:01, mailer=esmtp,
pri=30938, relay=relay. verizon.net. [206. 46. 170. 12], dsn=5. 0. 0, stat=Service unavailable
I replaced part of your email address there with *'s - it really reads your email address. Your ISP is rejecting mail from us for some reason. A spam blocker is usually the cause of this.
-Steve St. Laurent
Webmaster