You can send emails in bulk to your WordPress site users right from your admin area dashboard in few simple clicks. Mass Email to users, a free WordPress plugin lets you send mass email to your website users, all together. It provides you list of all users and you send select the users whom you want to send email. It also allows you to increase or decrease number of users to show on per page email list.
To start, install and activate Mass Email to users plugin in your WordPress site. Upon activation visit your admin area Dashboard -> Mass Email page, tick the email checkboxes then click ‘Send Email to Users’ button.
The button will direct you to a page where you can write Email Title, Email From Name, Email Body (Support HTML), and the best part is you can include more emails by manually typing the email addresses in Email To text area. Also you can exclude emails in-case you change your mind. Finally, ‘Send Email’ button and you are done.