diff --git a/pkgs/applications/networking/mailreaders/caeml/default.nix b/pkgs/applications/networking/mailreaders/caeml/default.nix
new file mode 100644
index 000000000000..54b4c7f60cdb
--- /dev/null
+++ b/pkgs/applications/networking/mailreaders/caeml/default.nix
@@ -0,0 +1,30 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+buildGoModule rec {
+  pname = "caeml";
+  version = "unstable-2023-05-24";
+
+  src = fetchFromGitHub {
+    owner = "ferdinandyb";
+    repo = pname;
+    rev = "25dbe10e99aac9b0ce3b80787c162628104f5cd2";
+    sha256 = "UIQCNkUyrtMF0IiAfkDvE8siqxNvfFc9TZdlZiTxCVc=";
+  };
+
+  vendorHash = "sha256-SDJsRLIGlLv/6NUctCrn6z1IDEmum1Wn5I8RFuwcOe8=";
+
+  meta = with lib; {
+    description = "cat eml files";
+    longDescription = ''
+      Reads an email file from either STDIN or from a file passed as the first
+      argument, digests it and outputs it to STDOUT in a more human readable
+      format. This means only From, To, Cc, Bcc, Date and Subject headers are
+      kept and these are decoded and of all the parts only text/plain is returned.
+    '';
+    homepage = "https://github.com/ferdinandyb/caeml";
+    license = licenses.mit;
+    maintainers = with maintainers; [ emilytrau ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 77742af33997..4589484b03cb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6608,6 +6608,8 @@ with pkgs;
 
   bombardier = callPackage ../tools/networking/bombardier { };
 
+  caeml = callPackage ../applications/networking/mailreaders/caeml { };
+
   calyx-vpn = libsForQt5.callPackage ../tools/networking/bitmask-vpn {
     provider = "calyx";
     inherit (darwin.apple_sdk.frameworks) CoreFoundation Security;