On Tue, May 14, 2024 at 12:09 AM Gellner, Oliver via mailop < mailop@mailop.org> wrote:
> On 13.05.2024 at 17:12 von Aaron C. de Bruyn via mailop wrote: > > > While it was a groups permission issue, the GSuite logs for GMail do > *not* show anything about a permission problem. See attached photo (if the > list supports attached photos). > > Usually Google delivers a DSN from mailer-dae...@googlemail.com to the > return path address which includes a reason why a message to a group was > rejected. I would have assumed that this information is also available > somewhere on the Google Workspace Admin page. > I agree that accepting emails just to later on reject them with a bounce > is not a good practice. However if the return path address throws away > error messages then you can't blame Google for not giving out any > information. > Yeah, never liked that, but unfortunately the rules on who can post to a google group are complicated and require the body of the message, which means if you send to multiple addresses (including multiple groups, which is also common in enterprise setups), we can't reject all of them. We could force a split transaction by temp failing some RCPT TO commands and accepting others, but then you get into issues with how quickly some servers will retry, causing mail delays. There are scenarios where we do that which were added later, but the groups bounces hadn't been an issue in practice. The workgroup email log search should really have given the reason, however. Or if we'd ever added a groups log feature like we did when I was at eGroups/Y!Groups. Brandon
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