[SC-Help] No source IP address found, cannot proceed.

[BMW]

What is up with SC?  I haven't been able to submit a SPAM that "got 
through" for a long time.  I always get

"No source IP address found, cannot proceed."

Sample = 
http://www.spamcop.net/sc?id=z800666612z042f3048b472e29617f368eb722ae809z

I'd appreciate any help you could offer. . .

Bob