Exim refusing to recieve mail
I am trying to set up mailman on my server using exim as the MTA. I am able to send mail fine, however, every time I try to send mail to the list it gets returned to me. When I check the logs I get:
What do I need to do to allow exim to receive mail?
008-10-14 16:54:00 H=ey-out-1920.google.com [184.108.40.206] F=<my_email> rejected RCPT <my_mailman_list_email>: relay not permitted
DVR: Ubuntu 8.10 (Mythbuntu 8.10), Intel Pentium D 3.00 GHz, ASRock 4CoreDual-SATA2, GIGABYTE GV-NX72G512P1 GeForce 7200GS, 2x Seagate Barracuda 250 GB SATA, Western Digital Caviar 1 TB SATA, HP dvd1040i