I have a Drupal 7 site with over 400 users. Time to time I use Mass contact to send updates to the users. I noticed that some of the users receives blank email with no body. I get no errors and there is noting on the logs. Not sure how to debug and solve the issue.
List of Modules
- Mass Contact Version: 7.x-1.1
- Mime Mail:Version: 7.x-1.1
- Mail system: Version: 7.x-2.35
Configuration:
Mass Contact:
Maximum number of recipients before splitting up the email = 50
Send as BCC (hide recipients) by default = is checked
Body text format = Full HTML (Wysiwyg - CKEditor)