diff --git a/src/main/java/fr/xephi/authme/settings/MessageKey.java b/src/main/java/fr/xephi/authme/settings/MessageKey.java
new file mode 100644
index 000000000..f2316dedf
--- /dev/null
+++ b/src/main/java/fr/xephi/authme/settings/MessageKey.java
@@ -0,0 +1,128 @@
+package fr.xephi.authme.settings;
+
+/**
+ * Keys for translatable messages managed by {@link Messages}.
+ */
+public enum MessageKey {
+
+    UNKNOWN_USER("unknown_user"),
+
+    UNSAFE_QUIT_LOCATION("unsafe_spawn"),
+
+    NOT_LOGGED_IN("not_logged_in"),
+
+    REGISTER_VOLUNTARILY("reg_voluntarily"),
+
+    USAGE_LOGIN("usage_log"),
+
+    WRONG_PASSWORD("wrong_pwd"),
+
+    UNREGISTERED_SUCCESS("unregistered"),
+
+    REGISTRATION_DISABLED("reg_disabled"),
+
+    SESSION_RECONNECTION("valid_session"),
+
+    LOGIN_SUCCESS("login"),
+
+    ACCOUNT_NOT_ACTIVATED("vb_nonActiv"),
+
+    NAME_ALREADY_REGISTERED("user_regged"),
+
+    NO_PERMISSION("no_perm"),
+
+    ERROR("error"),
+
+    LOGIN_MESSAGE("login_msg"),
+
+    REGISTER_MESSAGE("reg_msg"),
+
+    REGISTER_EMAIL_MESSAGE("reg_email_msg"),
+
+    USAGE_UNREGISTER("usage_unreg"),
+
+    PASSWORD_CHANGED_SUCCESS("pwd_changed"),
+
+    USER_NOT_REGISTERED("user_unknown"),
+
+    PASSWORD_MATCH_ERROR("password_error"),
+
+    PASSWORD_IS_USERNAME_ERROR("password_error_nick"),
+
+    PASSWORD_UNSAFE_ERROR("password_error_unsafe"),
+
+    SESSION_EXPIRED("invalid_session"),
+
+    MUST_REGISTER_MESSAGE("reg_only"),
+
+    ALREADY_LOGGED_IN_ERROR("logged_in"),
+
+    LOGOUT_SUCCESS("logout_success"),
+
+    USERNAME_ALREADY_ONLINE_ERROR("same_nick"),
+
+    REGISTER_SUCCESS("registered"),
+
+    INVALID_PASSWORD_LENGTH("pass_len"),
+
+    CONFIG_RELOAD_SUCCESS("reload"),
+
+    LOGIN_TIMEOUT_ERROR("timeout"),
+
+    USAGE_CHANGE_PASSWORD("usage_changepassword"),
+
+    INVALID_NAME_LENGTH("name_len"),
+
+    INVALID_NAME_CHARACTERS("regex"),
+
+    ADD_EMAIL_MESSAGE("add_email"),
+
+    FORGOT_PASSWORD_MESSAGE("recovery_email"),
+
+    USAGE_CAPTCHA("usage_captcha"),
+
+    CAPTCHA_WRONG_ERROR("wrong_captcha"),
+
+    CAPTCHA_SUCCESS("valid_captcha"),
+
+    KICK_FOR_VIP("kick_forvip"),
+
+    KICK_FULL_SERVER("kick_fullserver"),
+
+    USAGE_ADD_EMAIL("usage_email_add"),
+
+    USAGE_RECOVER_EMAIL("usage_email_recovery"),
+
+    INVALID_NEW_EMAIL("new_email_invalid"),
+
+    INVALID_OLD_EMAIL("old_email_invalid"),
+
+    INVALID_EMAIL("email_invalid"),
+
+    EMAIL_ADDED_SUCCESS("email_added"),
+
+    CONFIRM_EMAIL_MESSAGE("email_confirm"),
+
+    EMAIL_CHANGED_SUCCESS("email_changed"),
+
+    RECOVERY_EMAIL_SENT_MESSAGE("email_send"),
+
+    RECOVERY_EMAIL_ALREADY_SENT_MESSAGE("email_exists"),
+
+    COUNTRY_BANNED_ERROR("country_banned"),
+
+    ANTIBOT_AUTO_ENABLED_MESSAGE("antibot_auto_enabled"),
+
+    ANTIBOT_AUTO_DISABLED_MESSAGE("antibot_auto_disabled");
+
+
+    private String key;
+
+    MessageKey(String key) {
+        this.key = key;
+    }
+
+    public String getKey() {
+        return key;
+    }
+}