开云体育

On Sun, Jul 23, 2023 at 07:41 AM, Peter wrote:

We're at a loss as to what to do so, any advice will be gratefully received.

I've received that result 6 times over the years, most recently ~18 months ago.? For obvious reasons, Google isn't too specific on the exact cause of the bounce.? Unfortunately, I don't know of a way to narrow it down much.? It could be that the member has been marking messages from Groups.io as spam or there may be something within the message that it doesn't like.? Groups.io tends to pay fairly close attention to this, especially after a site change, in case the change results in problems.? I'd try contacting the person off-group to see if they can offer any additional clues.

Duane
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Lots of detailed information can be found in the Owners Manual and Members Manual.