From b245498612f10c7fca0f37ed784a81339d6d9779 Mon Sep 17 00:00:00 2001
From: Daniel Micay <daniel.micay@grapheneos.org>
Date: Thu, 13 Jul 2023 21:39:12 -0400
Subject: [PATCH] disable unused DHCP IPv4 address for mail server

---
 systemd/network/mail.grapheneos.org.network | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/systemd/network/mail.grapheneos.org.network b/systemd/network/mail.grapheneos.org.network
index 5c7ca92..44930a1 100644
--- a/systemd/network/mail.grapheneos.org.network
+++ b/systemd/network/mail.grapheneos.org.network
@@ -2,24 +2,18 @@
 Name=eth0
 
 [Network]
-DHCP=ipv4
 LinkLocalAddressing=no
 Address=192.99.98.22/32
+Gateway=51.161.8.1
 Address=2607:5300:205:200::94f/128
 Gateway=2607:5300:205:200::1
 
 [Route]
-Destination=0.0.0.0/0
-Gateway=51.161.8.1
-PreferredSource=192.99.98.22
-Metric=512
+Destination=51.161.8.1
 
 [Route]
 Destination=2607:5300:205:200::1
 
-[DHCP]
-UseMTU=true
-
 [CAKE]
 Bandwidth=250M
 PriorityQueueingPreset=besteffort