Fix printer not supporting elliptic curve keys

1 files changed, 12 insertions, 0 deletions

diff --git a/modules/private/mail/default.nix b/modules/private/mail/default.nix
index b50e346..d893ec4 100644
--- a/modules/private/mail/default.nix
+++ b/modules/private/mail/default.nix
@@ -22,6 +22,18 @@
         mxs = map (zone: "${config.hostEnv.mx.subdomain}.${zone.name}") zonesWithMx;
       in builtins.listToAttrs (map (mx: lib.attrsets.nameValuePair mx null) mxs);
     };
+    # This is for clients that don’t support elliptic curves (e.g.
+    # printer)
+    security.acme.certs."mail-rsa" = config.myServices.certificates.certConfig // {
+      domain = config.hostEnv.fqdn;
+      keyType = "rsa4096";
+      extraDomains = let
+        zonesWithMx = builtins.filter (zone:
+          lib.attrsets.hasAttr "withEmail" zone && lib.lists.length zone.withEmail > 0
+        ) config.myEnv.dns.masterZones;
+        mxs = map (zone: "${config.hostEnv.mx.subdomain}.${zone.name}") zonesWithMx;
+      in builtins.listToAttrs (map (mx: lib.attrsets.nameValuePair mx null) mxs);
+    };
     services.duplyBackup.profiles = {
       mail = {
         rootDir = "/var/lib";