diff --git a/Userland/Applications/MailSettings/CMakeLists.txt b/Userland/Applications/MailSettings/CMakeLists.txt
index 2204c395f2..feeadeccfb 100644
--- a/Userland/Applications/MailSettings/CMakeLists.txt
+++ b/Userland/Applications/MailSettings/CMakeLists.txt
@@ -14,4 +14,4 @@ set(SOURCES
 )
 
 serenity_app(MailSettings ICON app-mail)
-target_link_libraries(MailSettings LibGUI)
+target_link_libraries(MailSettings LibConfig LibGUI)
diff --git a/Userland/Applications/MailSettings/MailSettingsWindow.cpp b/Userland/Applications/MailSettings/MailSettingsWindow.cpp
index 813efdb3b2..66c5041276 100644
--- a/Userland/Applications/MailSettings/MailSettingsWindow.cpp
+++ b/Userland/Applications/MailSettings/MailSettingsWindow.cpp
@@ -6,7 +6,7 @@
 
 #include "MailSettingsWindow.h"
 #include <Applications/MailSettings/MailSettingsWindowGML.h>
-#include <LibCore/ConfigFile.h>
+#include <LibConfig/Client.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Button.h>
@@ -34,31 +34,14 @@ void MailSettingsWindow::write_values()
     m_tls = m_tls_checkbox->is_checked();
     m_email = m_email_inputbox->get_text();
 
-    m_config->write_entry("Connection", "Server", m_server);
-    m_config->write_entry("Connection", "Port", m_port);
-    m_config->write_bool_entry("Connection", "TLS", m_tls);
-    m_config->write_entry("User", "Username", m_email);
-    m_config->sync();
+    Config::write_string("Mail", "Connection", "Server", m_server);
+    Config::write_string("Mail", "Connection", "Port", m_port);
+    Config::write_bool("Mail", "Connection", "TLS", m_tls);
+    Config::write_string("Mail", "User", "Username", m_email);
 }
 
 MailSettingsWindow::MailSettingsWindow()
 {
-    m_config = Core::ConfigFile::open_for_app("Mail", Core::ConfigFile::AllowWriting::Yes);
-    if (unveil(m_config->filename().characters(), "rwc") < 0) {
-        perror("unveil");
-        GUI::Application::the()->quit();
-    }
-
-    if (unveil("/res", "r") < 0) {
-        perror("unveil");
-        GUI::Application::the()->quit();
-    }
-
-    if (unveil(nullptr, nullptr)) {
-        perror("unveil");
-        GUI::Application::the()->quit();
-    }
-
     //Common port values for email fetching
     m_common_ports.append("143");
     m_common_ports.append("993");
@@ -80,18 +63,18 @@ MailSettingsWindow::MailSettingsWindow()
     user_settings_image_label.set_icon(Gfx::Bitmap::try_load_from_file("/res/graphics/mail-user-settings.png"));
 
     m_server_inputbox = *main_widget.find_descendant_of_type_named<GUI::TextBox>("server_input");
-    m_server_inputbox->set_text(m_config->read_entry("Connection", "Server", ""));
+    m_server_inputbox->set_text(Config::read_string("Mail", "Connection", "Server", ""));
 
     m_port_combobox = *main_widget.find_descendant_of_type_named<GUI::ComboBox>("port_input");
-    m_port_combobox->set_text(m_config->read_entry("Connection", "Port", "993"));
+    m_port_combobox->set_text(Config::read_string("Mail", "Connection", "Port", "993"));
     m_port_combobox->set_only_allow_values_from_model(false);
     m_port_combobox->set_model(*GUI::ItemListModel<String>::create(m_common_ports));
 
     m_tls_checkbox = *main_widget.find_descendant_of_type_named<GUI::CheckBox>("tls_input");
-    m_tls_checkbox->set_checked(m_config->read_bool_entry("Connection", "TLS", false));
+    m_tls_checkbox->set_checked(Config::read_bool("Mail", "Connection", "TLS", false));
 
     m_email_inputbox = *main_widget.find_descendant_of_type_named<GUI::TextBox>("email_input");
-    m_email_inputbox->set_text(m_config->read_entry("User", "Username", ""));
+    m_email_inputbox->set_text(Config::read_string("Mail", "User", "Username", ""));
 
     auto& button_container = main_widget.add<GUI::Widget>();
     button_container.set_shrink_to_fit(true);
diff --git a/Userland/Applications/MailSettings/MailSettingsWindow.h b/Userland/Applications/MailSettings/MailSettingsWindow.h
index e7d4fdd83c..6f6f041ca0 100644
--- a/Userland/Applications/MailSettings/MailSettingsWindow.h
+++ b/Userland/Applications/MailSettings/MailSettingsWindow.h
@@ -23,7 +23,6 @@ private:
     bool m_tls { false };
     String m_email;
     Vector<String> m_common_ports;
-    RefPtr<Core::ConfigFile> m_config;
 
     RefPtr<GUI::TextBox> m_server_inputbox;
     RefPtr<GUI::ComboBox> m_port_combobox;
diff --git a/Userland/Applications/MailSettings/main.cpp b/Userland/Applications/MailSettings/main.cpp
index ee4f8cd461..cebbbe2639 100644
--- a/Userland/Applications/MailSettings/main.cpp
+++ b/Userland/Applications/MailSettings/main.cpp
@@ -5,20 +5,23 @@
  */
 
 #include "MailSettingsWindow.h"
+#include <LibConfig/Client.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
 #include <unistd.h>
 
 int main(int argc, char** argv)
 {
-    if (pledge("stdio rpath cpath wpath recvfd sendfd unix", nullptr) < 0) {
+    if (pledge("stdio rpath recvfd sendfd unix", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
 
     auto app = GUI::Application::construct(argc, argv);
 
-    if (pledge("stdio rpath cpath wpath recvfd sendfd", nullptr) < 0) {
+    Config::pledge_domains("Mail");
+
+    if (pledge("stdio rpath recvfd sendfd", nullptr) < 0) {
         perror("pledge");
         return 1;
     }