diff --git a/configs/aerc.nix b/configs/aerc.nix
index 9259906..71284c8 100644
--- a/configs/aerc.nix
+++ b/configs/aerc.nix
@@ -87,14 +87,22 @@ in {
           aliases = ["kmein@posteo.de"];
           userName = address;
           imap.host = "posteo.de";
+          imap.port = 993;
+          imap.tls.enable = true;
           smtp.host = imap.host;
+          smtp.port = 465;
+          smtp.tls.enable = true;
           primary = true;
           passwordCommand = "${pkgs.coreutils}/bin/cat ${config.age.secrets.email-password-posteo.path}";
-          # himalaya = { enable = true; backend = "imap"; sender = "smtp"; };
+          himalaya = {
+            enable = true;
+            backend = "imap";
+            sender = "smtp";
+          };
         };
     };
 
-    # programs.himalaya.enable = true;
+    programs.himalaya.enable = true;
 
     programs.thunderbird = {
       enable = true;
diff --git a/configs/fu-berlin.nix b/configs/fu-berlin.nix
index a67807c..ff2c3bd 100644
--- a/configs/fu-berlin.nix
+++ b/configs/fu-berlin.nix
@@ -8,7 +8,11 @@
   inherit (import ../lib/email.nix) defaults pronouns;
   fu-defaults = rec {
     imap.host = "mail.zedat.fu-berlin.de";
+    imap.port = 993;
+    imap.tls.enable = true;
     smtp.host = imap.host;
+    smtp.port = 465;
+    smtp.tls.enable = true;
     folders.drafts = "Entwürfe";
     folders.sent = "Gesendet";
     folders.trash = "Papierkorb";
@@ -48,6 +52,11 @@ in {
                 Arnimallee 10, Raum 106, 14195 Berlin
               '';
             };
+            himalaya = {
+              enable = true;
+              backend = "imap";
+              sender = "smtp";
+            };
           });
     };
   };
diff --git a/configs/hu-berlin.nix b/configs/hu-berlin.nix
index c7cf745..f12bb89 100644
--- a/configs/hu-berlin.nix
+++ b/configs/hu-berlin.nix
@@ -72,6 +72,11 @@ in {
             aliases = ["${userName}@hu-berlin.de"];
             passwordCommand = "${pkgs.coreutils}/bin/cat ${config.age.secrets.email-password-meinhaki.path}";
             aerc.extraAccounts.signature-file = toString (pkgs.writeText "signature" signature.text);
+            himalaya = {
+              enable = true;
+              backend = "imap";
+              sender = "smtp";
+            };
             signature = {
               showSignature = "append";
               text = ''
@@ -92,6 +97,11 @@ in {
           rec {
             userName = "dslalewa";
             address = "admin.alew.vglsprwi@hu-berlin.de";
+            himalaya = {
+              enable = true;
+              backend = "imap";
+              sender = "smtp";
+            };
             aliases = ["${userName}@hu-berlin.de"];
             passwordCommand = "${pkgs.coreutils}/bin/cat ${config.age.secrets.email-password-dslalewa.path}";
             inherit (hu-employee) signature;
diff --git a/packages/dashboard/default.nix b/packages/dashboard/default.nix
index af15d3a..1f82596 100644
--- a/packages/dashboard/default.nix
+++ b/packages/dashboard/default.nix
@@ -2,6 +2,7 @@
   writers,
   formats,
   wtf,
+  himalaya,
   lib,
   jq,
   gh,
@@ -31,7 +32,7 @@
     mods.vdir_khal = command {
       title = "Calendar";
       cmd = "${khal}/bin/khal";
-      args = ["--color" "list"];
+      args = ["--color" "list" "--exclude-calendar" "calendarium-tridentinum"];
       refreshInterval = "1m";
       position = rec {
         top = 0;
@@ -136,6 +137,28 @@
         width = 2;
       };
     };
+    mods.email = command {
+      title = "Email";
+      cmd = writers.writeDash "email" ''
+        ${himalaya}/bin/himalaya accounts --output json \
+          | ${jq}/bin/jq -r 'map(.name) | join("\n")' \
+          | while read -r account
+            do
+              ${himalaya}/bin/himalaya list --account "$account" -o json \
+                | ${jq}/bin/jq -r '
+                  map(select(.flags == [])
+                  | "\u001b[33m\(.from.addr)\u001b[0m \(.subject)") | join("\n")
+                '
+            done
+      '';
+      refreshInterval = "5m";
+      position = {
+        top = 2;
+        left = 0;
+        height = 4;
+        width = 3;
+      };
+    };
     mods.gh-status = command {
       enabled = true;
       title = "GitHub";