WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture...
Before sending a newsletter, check your hosting service’s rules on bulk email, sending limits and resource usage. Being able to send website notifications does not automatically mean the same method is suitable for a subscriber mailing list.
For campaigns, consider a dedicated email platform connected to your website through a plugin or API. Set up domain authentication records according to the platform’s instructions, without removing records needed by your existing email service. Only contact people where you have a lawful basis, provide an unsubscribe option, and monitor invalid addresses and complaints. Test with a small group first; domain authentication does not guarantee inbox delivery.