> > 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 -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/