+ # Accept if the message comes from one of the hosts for which we are an
+ # outgoing relay. Recipient verification is omitted here, because in many
+ # cases the clients are dumb MUAs that don't cope well with SMTP error
+ # responses. If you are actually relaying out from MTAs, you should probably
+ # add recipient verification here. Note that, by putting this test before
+ # any DNS black list checks, you will always accept from these hosts, even
+ # if they end up on a black list. The assumption is that they are your
+ # friends, and if they get onto a black list, it is a mistake.
+
+ accept hosts = +relay_from_hosts
+
+ # Accept if the message arrived over an authenticated connection, from
+ # any host. Again, these messages are usually from MUAs, so recipient
+ # verification is omitted. And again, we do this check before any black list
+ # tests.
+
+ accept authenticated = *
+