Throttled - try again later
This has just gotten really annoying in the last week. We send a message to a dozen adresses, two or three of which are Comcast addresses, and Comcast returns the "Throttled" error RL000003 for those Comcast customers. I see other posts regarding this issue. Has anyone found a reasonable solution? Since the domain our e-mail uses is on a large hosting service, we don't have access to e-mail sending servers to adjust retry rates, etc.