diff --git a/pkgs/development/libraries/mailcore2/default.nix b/pkgs/development/libraries/mailcore2/default.nix
new file mode 100644
index 000000000000..a2891f9207d3
--- /dev/null
+++ b/pkgs/development/libraries/mailcore2/default.nix
@@ -0,0 +1,55 @@
+{ stdenv, lib, fetchFromGitHub, cmake, libetpan, icu, cyrus_sasl, libctemplate
+, libuchardet, pkgconfig, glib, libtidy, libxml2, libuuid, openssl
+}:
+
+stdenv.mkDerivation rec {
+  name = "mailcore2-${version}";
+
+  version = "0.5";
+
+  src = fetchFromGitHub {
+    owner  = "MailCore";
+    repo   = "mailcore2";
+    rev    = version;
+    sha256 = "1f2kpw8ha4j43jlimw0my9b7x1gbik7yyg1m87q6nhbbsci78qly";
+  };
+
+  buildInputs = [
+    libetpan cmake icu cyrus_sasl libctemplate libuchardet pkgconfig glib
+    libtidy libxml2 libuuid openssl
+  ];
+
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+       --replace "tidy/tidy.h" "tidy.h" \
+       --replace "/usr/include/tidy" "${libtidy}/include" \
+       --replace "/usr/include/libxml2" "${libxml2}/include/libxml2" \
+  '';
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=ON"
+  ];
+
+  installPhase = ''
+    mkdir $out
+    cp -r src/include $out
+
+    mkdir $out/lib
+    cp src/libMailCore.so $out/lib
+  '';
+
+  doCheck = true;
+  checkPhase = ''
+    (
+      cd unittest
+      LD_LIBRARY_PATH="$(cd ../src; pwd)" TZ=PST8PDT ./unittestcpp ../../unittest/data
+    )
+  '';
+
+  meta = with lib; {
+    description = "A simple and asynchronous API to work with e-mail protocols IMAP, POP and SMTP";
+    homepage    = http://libmailcore.com;
+    license     = licenses.bsd3;
+    maintainers = with maintainers; [ cstrahan ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1fbe58aeb50f..a2e87913768a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12597,6 +12597,8 @@ let
 
   lilypond = callPackage ../misc/lilypond { guile = guile_1_8; };
 
+  mailcore2 = callPackage ../development/libraries/mailcore2 { };
+
   martyr = callPackage ../development/libraries/martyr { };
 
   mess = callPackage ../misc/emulators/mess {