# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug ens18
iface ens18 inet static
	address 207.174.124.71/23
	address 207.174.124.72/23
	# Mail sending IPs (consolidated 2026-06-23 to remove snowshoe footprint):
	#   .94  = mta05  -> trucking stream (out05)
	#   .107 = hcmta01 -> healthcare HOT stream (hcout1)
	# The dormant rotation pool (.90-.93, .95-.106, .108-.109 / mta01-20,
	# hcmta02-03) was removed: a 20-IP footprint reads as snowshoe spam and
	# hurt domain reputation. To re-expand later, re-add the address lines
	# here + the postfix transports (master.cf) + BOTH SPF records, SLOWLY
	# (one IP at a time, days apart, only after Postmaster Tools shows green).
	address 207.174.124.94/23
	address 207.174.124.107/23
	gateway 207.174.124.1
	# dns-* options are implemented by the resolvconf package, if installed
	dns-nameservers 8.8.8.8 8.8.4.4
	dns-search performancewest.net