On 11/11/2018 20:12, Chris Siebenmann via Exim-users wrote:
> [*: We sort of care about a spike in the bounce rate because it's often
> an indicator of a problem, such as yet another compromised user account
> being used to send out spam.
> ]
That's an obvious use-case for the msg:fail:delivery event.
--
Cheers,
Jeremy