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-rw-r--r--roles/MSA/files/etc/systemd/system/postfix-sender-login.service5
1 files changed, 5 insertions, 0 deletions
diff --git a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
index 09204fa..f5e6d89 100644
--- a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
+++ b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
@@ -15,6 +15,11 @@ NoNewPrivileges=yes
PrivateDevices=yes
ProtectHome=yes
ProtectSystem=strict
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
RestrictAddressFamilies=AF_UNIX
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