I have set up a mail server and I can send out e-mails (via comcast relay). I cansend/recieve mail locally but when I try to send an e-mail from my yahoo account to my domain account I get this error from the mailer daemon:
Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)
I use dyndns since I have a dynamic IP. Is it asking me to fix the mx record in my dns server or in dyndns?