sends a preview mail. 🔓

sends a preview mail of mailing with given id <br/> Only emails of users from logged in client can be used as receivers<br/> <br/> <strong>Example Post Data:</strong><br/> <code> {<br/>     "receivers": [<br/>         "dick.grayson@gotham.com",<br/>         "jason.todd@gotham.com",<br/>         "tim.drake@gotham.com",<br/>         "damian.wayne@gotham.com",<br/>         "terry.mcginnis@gotham.com"<br/>     ],<br/>     "previewText": " - have a look"<br/> }<br/> </code> <br/> If you do not provide a preview Text it is set to " - PREVIEW"! <br/> <br/>