diff --git a/flake.lock b/flake.lock
index 97fe53a..d732f8f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -99,11 +99,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1738765162,
-        "narHash": "sha256-3Z40qHaFScWUCVQrGc4Y+RdoPsh1R/wIh+AN4cTXP0I=",
+        "lastModified": 1739634831,
+        "narHash": "sha256-xFnU+uUl48Icas2wPQ+ZzlL2O3n8f6J2LrzNK9f2nng=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "ff3568858c54bd306e9e1f2886f0f781df307dff",
+        "rev": "fa5746ecea1772cf59b3f34c5816ab3531478142",
         "type": "github"
       },
       "original": {
@@ -143,11 +143,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1739299118,
-        "narHash": "sha256-C4voLzXhXgiadyD0Rpf5GDaJqUC+AJvjCr/XiEX/rCA=",
+        "lastModified": 1739592202,
+        "narHash": "sha256-ghQ9Z+PONjMTv4TK0+WyMM9Ih5osZL21UdgLbbJnSek=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "9308d31fbfe363e5ac0c00f470223f3203833447",
+        "rev": "4e266f1da531f169f1ff3d62942cf9cd901ee579",
         "type": "gitlab"
       },
       "original": {
@@ -378,11 +378,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739298825,
-        "narHash": "sha256-q9CzTY7n8n9RK9mKUQ4VbaKdydhXQqzphahEG5Wt8sI=",
+        "lastModified": 1739571712,
+        "narHash": "sha256-0UdSDV/TBY+GuxXLbrLq3l2Fq02ciyKCIMy4qmnfJXQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f0a31d38e6de48970ce1fe93e6ea343e20a9c80a",
+        "rev": "6d3163aea47fdb1fe19744e91306a2ea4f602292",
         "type": "github"
       },
       "original": {
@@ -657,11 +657,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739020877,
-        "narHash": "sha256-mIvECo/NNdJJ/bXjNqIh8yeoSjVLAuDuTUzAo7dzs8Y=",
+        "lastModified": 1739446958,
+        "narHash": "sha256-+/bYK3DbPxMIvSL4zArkMX0LQvS7rzBKXnDXLfKyRVc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a79cfe0ebd24952b580b1cf08cd906354996d547",
+        "rev": "2ff53fe64443980e139eaa286017f53f88336dd0",
         "type": "github"
       },
       "original": {
@@ -703,11 +703,11 @@
         "treefmt-nix": "treefmt-nix_4"
       },
       "locked": {
-        "lastModified": 1739121491,
-        "narHash": "sha256-BEmyAozR3Pc2qwPtC4rgUglzi3cw4nv4fXEY23NxOrQ=",
+        "lastModified": 1739627497,
+        "narHash": "sha256-LqwCCtADkHniSmP5ufoiXNY4GRttwvW/EOTVpgVh0LY=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "13341a4c1238b7974e7bad9c7a6d5c51ca3cf81a",
+        "rev": "d3a25cb97f8e8c4b77949b1e9fcf26b7ded42fbc",
         "type": "github"
       },
       "original": {
@@ -778,6 +778,7 @@
         "snm": "snm",
         "sops-nix": "sops-nix_2",
         "srvos": "srvos",
+        "tela": "tela",
         "treefmt-nix": "treefmt-nix_5"
       }
     },
@@ -857,11 +858,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739149457,
-        "narHash": "sha256-777RrYhdblwYBDruc5xaRdheTGyBMOdjcJmc67d98es=",
+        "lastModified": 1739438633,
+        "narHash": "sha256-7nTfMqYkc7WQwmB6m2zo2m2DEmNqrfyE+Pdisr7cTTI=",
         "owner": "nix-community",
         "repo": "srvos",
-        "rev": "8e257cc0810b5aa0f1a8841d8bdbb10eda07ae16",
+        "rev": "54aae80b7526d234658632d251e9bf278b58b7ef",
         "type": "github"
       },
       "original": {
@@ -915,6 +916,22 @@
         "type": "github"
       }
     },
+    "tela": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1739165606,
+        "narHash": "sha256-ufjKFlKJnmNwD2m1w+7JSBQij6ltxXWCpUEvVxECS98=",
+        "owner": "vinceliuice",
+        "repo": "Tela-icon-theme",
+        "rev": "fea810d948a663f336060b97db556274af3fc7c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vinceliuice",
+        "repo": "Tela-icon-theme",
+        "type": "github"
+      }
+    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index 6fed9f5..e9dea04 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,6 +54,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    tela = {
+      url = "github:vinceliuice/Tela-icon-theme";
+      flake = false;
+    };
+
     # Utility
     nixos-anywhere = {
       url = "github:nix-community/nixos-anywhere";
diff --git a/nixos-modules/nix/default.nix b/nixos-modules/nix/default.nix
index 9359bae..aa8fe5b 100644
--- a/nixos-modules/nix/default.nix
+++ b/nixos-modules/nix/default.nix
@@ -127,6 +127,9 @@ in
         (_self: super: rec {
           firefox-addons = self.inputs.firefox-addons.packages.${config.nixpkgs.hostPlatform.system};
           localPkgs = self.outputs.packages.${config.nixpkgs.hostPlatform.system};
+          tela-icon-theme = super.tela-icon-theme.overrideAttrs {
+            src = self.inputs.tela;
+          };
         })
       ];
     };
diff --git a/systems/hetzner/mail.nix b/systems/hetzner/mail.nix
index 4312983..35016cb 100644
--- a/systems/hetzner/mail.nix
+++ b/systems/hetzner/mail.nix
@@ -62,8 +62,6 @@
       enable = true;
       # index new email as they arrive
       autoIndex = true;
-      # this only applies to plain text attachments, binary attachments are never indexed
-      indexAttachments = true;
       enforced = "body";
     };