Yes, but if the third server down the line didn't propagate the email, there's not much the client can do. That's what sucks about email as a protocol; it's bee

Yes, but if the third server down the line didn't propagate the email, there's not much the client can do. That's what sucks about email as a protocol; it's been taken over by a handful of providers who will refuse to play ball with anyone outside their club, or who doesn't have the time to monitor the continuously-updated black lists.