On 15 Jun 2021, at 12:59, Jeremy Harris via Exim-users <exim-users@???> wrote:
>
> On 14/06/2021 18:02, Rowney, Dion via Exim-users wrote:
>> Jun 7 17:28:52 test exim[32706]: 2021-06-07 17:28:52.630 [32706] 1lqOfs-0008VV-Jb **bounces@???<mailto:bounces@test.domain.com> F=<>: Unrouteable address DT=0.000s
>> Jun 7 17:28:52 test exim[32706]: 2021-06-07 17:28:52.631 [32706] 1lqOfs-0008VV-Jb Frozen (delivery error message)
>
> bounces@???<mailto:bounces@test.domain.com>
>
> isn't a legitimate address, and it turns out to be undeliverable.
> You need to ask the generator of the bounce why they are trying
> to send this apparent bounce to this address.
I think, looking at the message logs, that this was Outlook/Exchange Online/Office365 trying to be “helpful” by generating a mailto: link in an HTML message which has then been stripped back to a plain text part by Mailman.
Addressing the original question - where does the bounces@ address get generated? It isn’t in your config.
Graeme
