If you’re unable to send email due to an error stating “SMTP Error: No support for Delivery Status Notifications,” please try the following:

1. Visit http://www.yourdomain.com/webmail, where “yourdomain.com” is your website’s domain name.
2. Login with your full email address as the username, and your password.
3. Once logged in, go to “Settings” in the top right corner.
4. Click “Composing Messages” on the left column.
5. Uncheck the option for “Always request a delivery status notification.”
6. Click the “Save” button

You should be good to go! If you continue having issues, please contact us at support@slamdot.com.