Let’s learn how to mass mail clients using WHMCS. Follow the video tutorial of this on Mass Mail your Clients within WHMCS
- Click on the Clients tab after you’ve logged into WHMCS.

- Click on Mass Mail Tool link.

- Here you can choose what type of email you want to send. Each type has different options that can be set.

- Let’s send a product or service related email.

- We will leave Language as it is. Select active from Client Status.

- Now select a Product/Service.

- Let’s set the Product/Service status to active.

- If you have multiple server setup and want to limit the email to a single server, select it from the list at Assigned Server.
- Check the Send for Each Domain box to send an email for each domain.
- Now click Compose Message.

- Type a subject, email message and attach any file you want to send along with the email.

- You can use variables listed here in email, which will fill data automatically related to each client. Like {$service_order_id} will display individual order id to each client.

- Check Save Message box for future use and enter name.

- When you are done, click Send Message.

Mass Mail your Clients within WHMCS
That’s it! You now know how to mass mail clients in WHMCS.