Author: Lena Date: To: exim-users Subject: Re: [exim] Blocking outbound email - restricting to certain domains
> From: Ben
> I would like to restrict all SMTP and local submission to be able to
> send mail to certain domains ONLY.
>
> E.g. only allow sending/relay to example.com, example1.com,
> example2.com, nothing else. > From: Viktor Dukhovni > Instead of using ACLs, which seem sensibly to apply primarily to SMTP,
> use an Exim "router" to deliver the desired domains normally, while
> routing everything else to the bit bucket. > You should be able to use the append transport with a destination
> file of /dev/null for all domains except those that you want to be
> handled normally.
...
domainlist good = example.com : example1.com : example2.com
begin acl
...
begin routers
discard:
driver = redirect
domains = ! +good
data = :blackhole:
