diff --git a/ports/gmime/CMakeLists.txt b/ports/gmime/CMakeLists.txt
deleted file mode 100644
index ce185ec39c..0000000000
--- a/ports/gmime/CMakeLists.txt
+++ /dev/null
@@ -1,58 +0,0 @@
-cmake_minimum_required(VERSION 3.8)
-
-project(gmime C)
-
-set(GMIME_DLL_SUFFIX 3)
-set(GMIME_LIB_SUFFIX 3.0)
-
-find_package(ZLIB REQUIRED)
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(GLIB2 glib-2.0 gobject-2.0 gmodule-2.0 gio-2.0 IMPORTED_TARGET)
-find_package(Iconv REQUIRED)
-
-pkg_check_modules(IDN2 libidn2 IMPORTED_TARGET)
-
-if(MSVC)
-    add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
-    add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
-endif()
-
-add_definitions(-DHAVE_CONFIG_H)
-add_definitions(-DG_DISABLE_DEPRECATED)
-add_definitions(-DG_LOG_DOMAIN="GMime")
-
-# Source files
-file(GLOB LIB_SRC gmime/gmime-*.c)
-list(APPEND LIB_SRC gmime/gmime.c
-                    gmime/internet-address.c
-                    util/packed.c
-                    util/url-scanner.c
-                    util/gtrie.c)
-
-# Headers
-file(GLOB LIB_HEADERS gmime/gmime-*.h)
-list(APPEND LIB_HEADERS gmime/gmime.h)
-list(APPEND LIB_HEADERS gmime/internet-address.h)
-
-if(MSVC AND BUILD_SHARED_LIBS)
-    set(MSVC_SRC gmime.def)
-endif()
-
-add_library(${PROJECT_NAME} ${LIB_SRC} ${MSVC_SRC})
-
-set_target_properties(${PROJECT_NAME} PROPERTIES 
-    OUTPUT_NAME ${PROJECT_NAME}-${GMIME_DLL_SUFFIX}
-    ARCHIVE_OUTPUT_NAME ${PROJECT_NAME}-${GMIME_LIB_SUFFIX}
-)
-
-target_include_directories(${PROJECT_NAME} PRIVATE . ./util)
-target_link_libraries(${PROJECT_NAME} PRIVATE Iconv::Iconv ZLIB::ZLIB PkgConfig::IDN2)
-target_link_libraries(${PROJECT_NAME} PRIVATE PkgConfig::GLIB2)
-target_link_libraries(${PROJECT_NAME} PRIVATE Ws2_32.lib)
-
-install(TARGETS ${PROJECT_NAME}
-        RUNTIME DESTINATION bin
-        LIBRARY DESTINATION lib
-        ARCHIVE DESTINATION lib)
-
-install(FILES ${LIB_HEADERS} DESTINATION include/gmime)
diff --git a/ports/gmime/msvc-ssize_t.diff b/ports/gmime/msvc-ssize_t.diff
new file mode 100644
index 0000000000..677187d6ce
--- /dev/null
+++ b/ports/gmime/msvc-ssize_t.diff
@@ -0,0 +1,33 @@
+diff --git a/configure.ac b/configure.ac
+index 9d368e0..c534a09 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -168,6 +168,13 @@ AC_TYPE_MODE_T
+ AC_TYPE_OFF_T
+ AC_TYPE_SIZE_T
+ AC_TYPE_SSIZE_T
++AH_BOTTOM([
++#ifdef _MSC_VER
++#undef ssize_t;
++#include <BaseTsd.h>
++typedef SSIZE_T ssize_t;
++#endif
++])
+ AC_TYPE_UINT32_T
+ AC_TYPE_UINT64_T
+ AC_TYPE_UINT8_T
+diff --git a/gmime/gmime.h b/gmime/gmime.h
+index ef6b93e..d3696ac 100644
+--- a/gmime/gmime.h
++++ b/gmime/gmime.h
+@@ -22,6 +22,10 @@
+ #ifndef __GMIME_H__
+ #define __GMIME_H__
+ 
++#ifdef _MSC_VER
++#include <BaseTsd.h>
++typedef SSIZE_T ssize_t;
++#endif
+ #include <glib.h>
+ #include <gmime/gmime-version.h>
+ #include <gmime/gmime-error.h>
diff --git a/ports/gmime/portfile.cmake b/ports/gmime/portfile.cmake
index dbdc226e4e..5c75c846ae 100644
--- a/ports/gmime/portfile.cmake
+++ b/ports/gmime/portfile.cmake
@@ -1,38 +1,71 @@
-set(LIB_NAME gmime)
-set(LIB_VERSION 3.2.6)
-
-set(LIB_FILENAME ${LIB_NAME}-${LIB_VERSION}.tar.xz)
-
 vcpkg_download_distfile(ARCHIVE
-    URLS "https://download.gnome.org/sources/gmime/3.2/${LIB_FILENAME}"
-    FILENAME "${LIB_FILENAME}"
-    SHA512 a60d3f9f1aa8490865c22cd9539544e9c9f3ceb4037b9749cf9e5c279f97aa88fc4cd077bf2aff314ba0db2a1b7bbe76f9b1ca5a17fffcbd6315ecebc5414a3d
+    URLS https://github.com/jstedfast/gmime/releases/download/${VERSION}/gmime-${VERSION}.tar.xz
+    FILENAME "gmime-${VERSION}.tar.xz"
+    SHA512 cafb89854b2441508bf940fd6f991739d30fb137b8928ad33e8e4d2a0293a6460e4d1318e73c3ee9e5a964b692f36e7a4eb5f2930c6998698bd9edf866629655
 )
 
 vcpkg_extract_source_archive(
     SOURCE_PATH
     ARCHIVE "${ARCHIVE}"
-    SOURCE_BASE "${LIB_VERSION}"
+    PATCHES
+        subdirs.diff
+        msvc-ssize_t.diff
 )
 
-file(COPY "${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt" DESTINATION "${SOURCE_PATH}")
+set(ENV{ACLOCAL} "aclocal -I \"${CURRENT_INSTALLED_DIR}/share/aclocal/\"") # for glib
+set(ENV{GTKDOCIZE} true)
 
-# We can use file supplied with original sources
-configure_file("${SOURCE_PATH}/build/vs2017/unistd.h" "${SOURCE_PATH}" COPYONLY)
-configure_file("${SOURCE_PATH}/build/vs2017/config.h" "${SOURCE_PATH}" COPYONLY)
-configure_file("${SOURCE_PATH}/build/vs2017/gmime.def" "${SOURCE_PATH}" COPYONLY)
-vcpkg_find_acquire_program(PKGCONFIG)
-vcpkg_cmake_configure(
+vcpkg_list(SET options)
+set(iconv_detect_h "${CURRENT_HOST_INSTALLED_DIR}/share/${PORT}/iconv-detect-${VCPKG_CMAKE_SYSTEM_NAME}.h")
+if(EXISTS "${iconv_detect_h}")
+    vcpkg_list(APPEND options "ac_cv_have_iconv_detect_h=yes")
+elseif(VCPKG_CROSSCOMPILING)
+    vcpkg_list(APPEND options "ac_cv_have_iconv_detect_h=no")
+endif()
+
+if("crypto" IN_LIST FEATURES)
+    vcpkg_list(APPEND options "--enable-crypto")
+else()
+    vcpkg_list(APPEND options "--disable-crypto")
+endif()
+
+vcpkg_configure_make(
     SOURCE_PATH "${SOURCE_PATH}"
+    AUTOCONFIG
+    ADD_BIN_TO_PATH  # for iconv-detect
     OPTIONS
-        "-DPKG_CONFIG_EXECUTABLE=${PKGCONFIG}"
+        ${options}
+        --disable-crypto
+        --disable-glibtest
+        --disable-introspection
+        --disable-vala
 )
 
-vcpkg_cmake_install()
+if(EXISTS "${iconv_detect_h}")
+    file(COPY_FILE "${iconv_detect_h}" "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/iconv-detect.h")
+    if(NOT VCPKG_BUILD_TYPE)
+        file(COPY_FILE "${iconv_detect_h}" "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg/iconv-detect.h")
+    endif()
+endif()
+
+if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+    file(COPY "${SOURCE_PATH}/build/vs2017/unistd.h" DESTINATION "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel")
+    if(NOT VCPKG_BUILD_TYPE)
+        file(COPY "${SOURCE_PATH}/build/vs2017/unistd.h" DESTINATION "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg")
+    endif()
+endif()
+
+vcpkg_install_make()
+vcpkg_copy_pdbs()
+vcpkg_fixup_pkgconfig()
+
+if(NOT VCPKG_CROSSCOMPILING)
+    file(INSTALL "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/iconv-detect.h"
+        DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}"
+        RENAME "iconv-detect-${VCPKG_CMAKE_SYSTEM_NAME}.h"
+    )
+endif()
 
 file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
 
-# License and man
-file(INSTALL "${SOURCE_PATH}/COPYING" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${LIB_NAME}" RENAME copyright)
-
-vcpkg_copy_pdbs()
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/COPYING")
diff --git a/ports/gmime/subdirs.diff b/ports/gmime/subdirs.diff
new file mode 100644
index 0000000000..24ef508214
--- /dev/null
+++ b/ports/gmime/subdirs.diff
@@ -0,0 +1,16 @@
+diff --git a/Makefile.am b/Makefile.am
+index c004167..0fafe72 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -2,10 +2,9 @@
+ 
+ ACLOCAL_AMFLAGS = -I m4
+ 
+-SUBDIRS = m4 build util gmime tests docs
++SUBDIRS = m4 build util gmime
+ 
+ if !PLATFORM_WIN32
+-SUBDIRS += examples
+ endif
+ 
+ SUBDIRS += tools .
diff --git a/ports/gmime/vcpkg.json b/ports/gmime/vcpkg.json
index 349a31b705..9255da3fde 100644
--- a/ports/gmime/vcpkg.json
+++ b/ports/gmime/vcpkg.json
@@ -1,19 +1,29 @@
 {
   "name": "gmime",
-  "version": "3.2.6",
-  "port-version": 6,
+  "version": "3.2.15",
   "description": "GMime is a C/C++ library which may be used for the creation and parsing of messages using the Multipurpose Internet Mail Extension (MIME).",
-  "homepage": "https://developer.gnome.org/gmime/",
+  "homepage": "https://github.com/jstedfast/gmime",
   "license": "LGPL-2.1-or-later",
-  "supports": "windows & !xbox",
+  "supports": "!xbox",
   "dependencies": [
     "glib",
-    "libiconv",
-    "libidn2",
     {
-      "name": "vcpkg-cmake",
+      "name": "gmime",
       "host": true
     },
+    "libiconv",
+    "libidn2",
     "zlib"
-  ]
+  ],
+  "features": {
+    "crypto": {
+      "description": "PGP and S/MIME support",
+      "dependencies": [
+        {
+          "name": "gpgme",
+          "default-features": false
+        }
+      ]
+    }
+  }
 }
diff --git a/ports/gmime/win32_ssize_t.diff b/ports/gmime/win32_ssize_t.diff
new file mode 100644
index 0000000000..11c709116f
--- /dev/null
+++ b/ports/gmime/win32_ssize_t.diff
@@ -0,0 +1,15 @@
+diff --git a/gmime/gmime.h b/gmime/gmime.h
+index ef6b93e..d3696ac 100644
+--- a/gmime/gmime.h
++++ b/gmime/gmime.h
+@@ -22,6 +22,10 @@
+ #ifndef __GMIME_H__
+ #define __GMIME_H__
+ 
++#ifdef _MSC_VER
++#include <BaseTsd.h>
++typedef SSIZE_T ssize_t;
++#endif
+ #include <glib.h>
+ #include <gmime/gmime-version.h>
+ #include <gmime/gmime-error.h>
diff --git a/scripts/test_ports/vcpkg-ci-gmime/portfile.cmake b/scripts/test_ports/vcpkg-ci-gmime/portfile.cmake
new file mode 100644
index 0000000000..90815134a2
--- /dev/null
+++ b/scripts/test_ports/vcpkg-ci-gmime/portfile.cmake
@@ -0,0 +1,11 @@
+SET(VCPKG_POLICY_EMPTY_PACKAGE enabled)
+
+vcpkg_find_acquire_program(PKGCONFIG)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${CURRENT_PORT_DIR}/project"
+    OPTIONS
+        "-DFEATURES=${FEATURES}"
+        "-DPKG_CONFIG_EXECUTABLE=${PKGCONFIG}"
+)
+vcpkg_cmake_build()
diff --git a/scripts/test_ports/vcpkg-ci-gmime/project/CMakeLists.txt b/scripts/test_ports/vcpkg-ci-gmime/project/CMakeLists.txt
new file mode 100644
index 0000000000..d64e5acf3a
--- /dev/null
+++ b/scripts/test_ports/vcpkg-ci-gmime/project/CMakeLists.txt
@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(vcpkg-ci-gmime C)
+
+set(CMAKE_C_STANDARD 11)
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(gmime REQUIRED IMPORTED_TARGET gmime-3.0)
+
+add_executable(main main.c)
+target_link_libraries(main PRIVATE PkgConfig::gmime)
+
+if("crypto" IN_LIST FEATURES)
+    target_compile_definitions(main PRIVATE ENABLE_CRYPTO)
+endif()
diff --git a/scripts/test_ports/vcpkg-ci-gmime/project/main.c b/scripts/test_ports/vcpkg-ci-gmime/project/main.c
new file mode 100644
index 0000000000..8431aa383e
--- /dev/null
+++ b/scripts/test_ports/vcpkg-ci-gmime/project/main.c
@@ -0,0 +1,26 @@
+#include <glib.h>
+#include <gmime/gmime.h>
+
+void verify_callback(GMimeObject *parent, GMimeObject *part, gpointer user_data)
+{
+#ifdef ENABLE_CRYPTO
+	if (GMIME_IS_MULTIPART_SIGNED(part))
+    {
+		GMimeMultipartSigned *mps = (GMimeMultipartSigned *)part;
+		GError *err = NULL;
+		GMimeSignatureList *signatures = g_mime_multipart_signed_verify(mps, GMIME_VERIFY_NONE, &err);
+        g_object_unref(signatures);
+    }
+#endif
+}
+
+int main()
+{
+    g_mime_init();
+    GMimeParser *parser = g_mime_parser_new();
+    GMimeMessage *message = g_mime_parser_construct_message(parser, NULL);
+	g_mime_message_foreach(message, verify_callback, NULL);
+    g_object_unref(message);
+    g_object_unref(parser);
+    return 0;
+}
diff --git a/scripts/test_ports/vcpkg-ci-gmime/vcpkg.json b/scripts/test_ports/vcpkg-ci-gmime/vcpkg.json
new file mode 100644
index 0000000000..cbef40d5e7
--- /dev/null
+++ b/scripts/test_ports/vcpkg-ci-gmime/vcpkg.json
@@ -0,0 +1,31 @@
+{
+  "name": "vcpkg-ci-gmime",
+  "version-string": "ci",
+  "description": "Validates gmime",
+  "dependencies": [
+    "gmime",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    }
+  ],
+  "default-features": [
+    {
+      "name": "crypto",
+      "platform": "!windows | mingw"
+    }
+  ],
+  "features": {
+    "crypto": {
+      "description": "gmime[crypo]",
+      "dependencies": [
+        {
+          "name": "gmime",
+          "features": [
+            "crypto"
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index dc4780776a..bfce0ec3b2 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3193,8 +3193,8 @@
       "port-version": 4
     },
     "gmime": {
-      "baseline": "3.2.6",
-      "port-version": 6
+      "baseline": "3.2.15",
+      "port-version": 0
     },
     "gmmlib": {
       "baseline": "22.5.2",
diff --git a/versions/g-/gmime.json b/versions/g-/gmime.json
index 4f6711334c..bdf34d9523 100644
--- a/versions/g-/gmime.json
+++ b/versions/g-/gmime.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "0317c90380341a0639221bed8e70dbf37de46b0c",
+      "version": "3.2.15",
+      "port-version": 0
+    },
     {
       "git-tree": "93e8b6f02474e1edb7e99db85020d864ee071ce0",
       "version": "3.2.6",