On 2026/03/11 00:18, Martijn van Duren wrote:
> While I haven't seen this in the wild, it might be nice to announce our
> limits to the world. RFC9422 specifies 3 limits that can be announced:
> MAILMAX, RCPTMAX, and RCPTDOMAINMAX. RCPTDOMAINMAX isn't a feature we
> support as far as I'm aware, but MAILMAX, and RCPTMAX are implemented,
> so why not announce them and save everybody a bit of time where
> supported.

It doesn't strike me as something that will be very popular with mail
providers, however exim and sendmail do support it.