allow_localhost
hosts = 127.0.0.1
port = PORT_D
- interface = ${if eq {$sender_address_domain}{dustybelt.tld} {127.0.0.1}{127.0.0.2}}
+ # assumes that HOSTIPV4 can sent to 127.0.0.1
+ interface = ${if eq {$sender_address_domain}{dustybelt.tld} {127.0.0.1}{HOSTIPV4}}
# ----- Retry -----