server: add user.password.reset.smtp.useStartTLS for password reset

Author: weizhouapache

server/src/main/java/org/apache/cloudstack/user/UserPasswordResetManager.java

@@ -55,6 +55,12 @@ public interface UserPasswordResetManager {
             "Use auth in the SMTP server for sending emails for resetting password for ACS users",
             false, ConfigKey.Scope.Global);
 
+    ConfigKey<Boolean> UserPasswordResetSMTPUseStartTLS = new ConfigKey<>(ConfigKey.CATEGORY_ADVANCED,
+            Boolean.class, "user.password.reset.smtp.useStartTLS", "false",
+            "If set to true and if we enable security via user.password.reset.smtp.useAuth, this will enable StartTLS to secure the connection.",
+            true,
+            ConfigKey.Scope.Global);
+
     ConfigKey<String> UserPasswordResetSMTPUsername = new ConfigKey<>(ConfigKey.CATEGORY_ADVANCED,
             String.class, "user.password.reset.smtp.username", null,
             "Username for SMTP server for sending emails for resetting password for ACS users",

server/src/main/java/org/apache/cloudstack/user/UserPasswordResetManagerImpl.java

@@ -93,6 +93,7 @@ public ConfigKey<?>[] getConfigKeys() {
                 UserPasswordResetSMTPHost,
                 UserPasswordResetSMTPPort,
                 UserPasswordResetSMTPUseAuth,
+                UserPasswordResetSMTPUseStartTLS,
                 UserPasswordResetSMTPUsername,
                 UserPasswordResetSMTPPassword,
                 PasswordResetMailTemplate