After you sign into mail.sekur.com, click on the 'Compose' icon
2. Compose your email and attach any files (if any) and before sending your email, click on the 'SekurSend' button below
3. Add any SekurSend security options you want the email to have. After you are done, click on the 'SekurSend' button again
How to use SekurSend video tutorial: