开云体育

The message implies that believes Groups.io's outbound server to be "someone" who has sent too many messages. That service needs to be recognize that Groups.io is an email list service and not apply such a limit. Especially not one that's collective over all users of their service.

Whether they'll figure it out on their own eventually, or whether their users will need to whack them upside the head with a clue-by-four is anyone's guess.