# Suggested additions: myorigin = $mydomain mailbox_size_limit = 102400000 # mailbox_command = /usr/local/bin/procmail # Security additions: smtpd_helo_required = yes smtpd_recipient_restrictions = permit_mynetworks, check_client_access btree:/usr/local/etc/dracd, reject_unauth_destination # smtpd_helo_restrictions = reject_invalid_hostname, reject_non_fqdn_hostname smtpd_helo_restrictions = reject_invalid_hostname # add local/authorized SMTP senders here: # mynetworks = 127.0.0.1