3 mynetworks 127.0.0.0/8,168.100.189.0/28
4 relay_domains porcupine.org
5 local_recipient_maps unix:passwd.byname
6 client unknown 131.155.210.17
7 canonical_maps tcp:localhost:200
9 recipient_restrictions permit
10 rcpt no.such.user@[127.0.0.1]
12 virtual_alias_maps tcp:localhost:100
14 recipient_restrictions permit_mx_backup
15 rcpt wietse@nowhere1.com
17 recipient_restrictions check_relay_domains
18 rcpt wietse@nowhere2.com
20 recipient_restrictions reject_unknown_recipient_domain
21 rcpt wietse@nowhere3.com
23 recipient_restrictions permit_auth_destination
24 rcpt wietse@nowhere4.com
26 recipient_restrictions reject_unauth_destination
27 rcpt wietse@nowhere5.com