You can create a campaign here.
-> In CRM module (Addresses - Filter), you can filter the specific addresses to be included..
-> "Send Campaign" button
- Here you can select an existing campaign as a template or create a new one, then confirm with "OK".
-> Sender, subject, attachment, and add text
-> with Create a new template
-> with Open a Template
-> with Save the current text as a template
-> with Import a text copied from- Now you can send the campaign.
-> Now you can send the campaign.