Re: [exim] Routing failed deliveries through an ESP

On 2023-04-20 at 10:47:15 UTC-0400 (Thu, 20 Apr 2023 10:47:15 -0400)
Lance Lovette via Exim-users <lance.lovette+exim-users@???>
is rumored to have said:

>> There's a rational basis for an exception for 5xx before MAIL FROM,
>> when the target only has the connection parameters and HELO
>> name to use as a basis for rejection
>
> Unfortunately, Google, in the case of an outright IP-based block,
> doesn't
> reject the message until after DATA has been submitted.

Then you should not, under any circumstances, retry sending that message
via ANY path. Just don't do it. That message has FAILED. It has been
REJECTED.




--
Bill Cole
bill@??? or billcole@???
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire