# (the value on the table right-hand side is not used).
#
# Added by Alex Dehnert
-mynetworks = 66.92.29.156/32, 66.92.29.144/32, 127.0.0.1/32, 18.111.8.18/32, 18.208.0.0/24
+mynetworks = 66.92.29.156/32, 66.92.29.144/32, 127.0.0.1/32, 18.111.8.18/32, 18.102.208.0/24
#mynetworks = 168.100.189.0/28, 127.0.0.0/8
#mynetworks = $config_directory/mynetworks
#mynetworks = hash:/etc/postfix/network_table
smtpd_tls_auth_only = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
+
+# Alex Dehnert, 2017-11-01
+# Based on https://serverfault.com/questions/663979/virtual-alias-domains-how-to-use-different-ip-addresses-when-forwarding-mail
+
+sender_dependent_default_transport_maps = hash:/etc/mail/sender-transport
# The relay_domains parameter restricts what destinations this system will
# relay mail to. See the smtpd_recipient_restrictions description in
# 2005-01-19
owner_request_special = no
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated permit_auth_destination reject_unauth_destination