The following keywords should not be used in the Subject line of any email:
  • delay
  • unsubscribe
  • remove
  • warning: message
  • delivery status notification
  • could not send message for past
  • out of office
  • out of the office
  • autoreply
  • vacation
If these keywords are used in the Subject line of any email, then the system will not send the email.

Note: Even if the Sent Email List shows that a number of emails were sent, none were opened.  Check the subject line and download the Bounce Report by clicking on the sent email.

For more information about the Bounce Report, use the following article: Downloading An Email Bounce Report