Am 21.02.2013 12:18, schrieb ROGERS Richard M: > We have a case a bit like this here, where individuals can set their own preferences/whitelist/blacklist, so handling can change even within the one domain.
>
> The way we deal with it is to set the message handling according to the first recipient's preference; then if the handling is different for later ones they get a 4xx (temporary rejection). It introduces some delays but everyone gets the message handling they want.
>
> Regards
>
out of curiosity .. how does sending a 4XX help with a logic decision
with opposite outcomes ?
