RE: [exim] Supressing bounce messages

> > We don't generate bounces to external senders, only local
> senders, and
> > we only do that because some MUAs don't cope well with
> rejections at SMTP time.
>
> Your ACLs can easily be set to identify MUA traffic from MTA.
> Traffic coming from local address space can be presumed to
> be MUA. Internal mail servers can be identified by hardcoded
> list or SMTP AUTH.
>
> External MUA are identified by SMTP AUTH since that is likely
> part of your existing anti-relay mechanism.
>
> Then it is a simple matter of rejecting at SMTP time for MTA
> and generating bounces for MUA.
>
> This generally will also reduce the size of your queue runs
> since you will have far fewer bounce deliveries due to
> misaddressed spam, etc.
>

I must be missing your point, because you seem to be describing what we
already do.

- Mark