4 mailbox_command = /usr/bin/maildrop
6 # Restrictive relaying policy.
7 smtpd_relay_restrictions = permit_mynetworks defer_unauth_destination
9 # What domains to receive mail for: names of local server.
10 mydestination = HOSTNAME, localhost
12 # What clients to relay mail from: only local server.
13 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
15 # Paranoid maximum error notification.
16 notify_classes=2bounce, bounce, data, delay, policy, protocol, resource, software