diff --git a/inc/integrations/class-form-utils.php b/inc/integrations/class-form-utils.php
index 86a1f6094..611308b9c 100644
--- a/inc/integrations/class-form-utils.php
+++ b/inc/integrations/class-form-utils.php
@@ -40,9 +40,14 @@ public static function generate_test_email() {
 			'eight',
 			'nine',
 			'ten',
+			'eleven',
+			'twelve',
+			'thirteen',
+			'fourteen',
+			'fifteen',
 		);
 
-		$name_1 = $words[ wp_rand( 0, count( $words ) ) ];
+		$name_1 = $words[ wp_rand( 0, count( $words ) - 1 ) ];
 		$name_2 = $words[ wp_rand( 2, count( $words ) ) - 1 ];
 
 		return "Otter-Form-successfully-connected.delete-on-confirmation.$name_1.$name_2@otter-blocks.com";
diff --git a/inc/integrations/interfaces/interface-form-subscribe-service.php b/inc/integrations/interfaces/interface-form-subscribe-service.php
index 8f3b482e9..d14785f0c 100644
--- a/inc/integrations/interfaces/interface-form-subscribe-service.php
+++ b/inc/integrations/interfaces/interface-form-subscribe-service.php
@@ -51,10 +51,10 @@ public function extract_data_from_integration( $wp_options_form );
 	public static function validate_api_key( $api_key );
 
 	/**
-	 * Test if the service is set up by registering a random email address on the contact list.
+	 * Make a request that add the email to the contact list.
 	 *
-	 * @return mixed
-	 * @since 2.0.3
+	 * @param string $email The email address.
+	 * @return array|\WP_Error The response from Mailchimp.
 	 */
-	public function test_subscription();
+	public function make_subscribe_request( $email );
 }
diff --git a/inc/integrations/providers/class-mailchimp.php b/inc/integrations/providers/class-mailchimp.php
index 80ffea446..88bab3def 100644
--- a/inc/integrations/providers/class-mailchimp.php
+++ b/inc/integrations/providers/class-mailchimp.php
@@ -111,7 +111,7 @@ function( $item ) {
 	 * @param string $email The email address.
 	 * @return array|\WP_Error The response from Mailchimp.
 	 */
-	private function make_subscribe_request( $email ) {
+	public function make_subscribe_request( $email ) {
 		$user_status = $this->get_new_user_status_mailchimp( $this->list_id );
 
 		$url = 'https://' . $this->server_name . '.api.mailchimp.com/3.0/lists/' . $this->list_id . '/members/' . md5( strtolower( $email ) );
@@ -161,23 +161,6 @@ public function subscribe( $form_data ) {
 		return $form_data;
 	}
 
-	/**
-	 * Test the subscription by registering a random generated email.
-	 *
-	 * @return Form_Data_Request
-	 * @since 2.0.3
-	 */
-	public function test_subscription() {
-		$req      = new Form_Data_Request();
-		$response = $this->make_subscribe_request( Form_Utils::generate_test_email() );
-
-		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
-			$req->set_error( Form_Data_Response::get_error_code_message( Form_Data_Response::ERROR_PROVIDER_SUBSCRIBE_ERROR ) );
-		}
-
-		return $req;
-	}
-
 	/**
 	 * Set the API Key.
 	 *
diff --git a/inc/integrations/providers/class-sendinblue.php b/inc/integrations/providers/class-sendinblue.php
index 63f8a4cd3..267d4f0f1 100644
--- a/inc/integrations/providers/class-sendinblue.php
+++ b/inc/integrations/providers/class-sendinblue.php
@@ -154,22 +154,6 @@ public function subscribe( $form_data ) {
 		return $form_data;
 	}
 
-	/**
-	 * Test the subscription by registering a random generated email.
-	 *
-	 * @return Form_Data_Request
-	 */
-	public function test_subscription() {
-		$req      = new Form_Data_Request();
-		$response = $this->make_subscribe_request( Form_Utils::generate_test_email() );
-
-		if ( is_wp_error( $response ) || 400 === wp_remote_retrieve_response_code( $response ) ) {
-			$req->set_error( Form_Data_Response::get_error_code_message( Form_Data_Response::ERROR_PROVIDER_SUBSCRIBE_ERROR ) );
-		}
-
-		return $req;
-	}
-
 	/**
 	 * Set the API Key
 	 *
diff --git a/inc/server/class-form-server.php b/inc/server/class-form-server.php
index de3adf207..b2c940a5e 100644
--- a/inc/server/class-form-server.php
+++ b/inc/server/class-form-server.php
@@ -655,7 +655,13 @@ public function test_subscription_service( $form_data ) {
 				if ( $valid_api_key['valid'] ) {
 					if ( $form_options->has_list_id() ) {
 						$service->set_api_key( $form_options->get_api_key() )->set_list_id( $form_options->get_list_id() );
-						$res = $service->test_subscription();
+						$response = $service->make_subscribe_request( Form_Utils::generate_test_email() );
+
+						if ( is_wp_error( $response ) ) {
+							$res->set_error( Form_Data_Response::ERROR_RUNTIME_ERROR, $response->get_error_message() );
+						} else {
+							$res->mark_as_success();
+						}
 					} else {
 						$res->set_error( __( 'Contact list ID is missing!', 'otter-blocks' ) );
 					}