AWS SES does not accept empty email address in email notification

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.1.30 EE GA3, 7.0.0 M3
• Fix Version/s: 6.1.X EE, 6.2.2 CE GA3 , 6.2.X EE, 7.0.0 M1
• Component/s: Mail, ~ [Archived] Collaboration
• Labels:
  • QA-B
  • ee-ts
  • liferay-fixpack-platform-13-6210
  • liferay-fixpack-platform-18-6130
• Branch Version/s:
  6.2.x, 6.1.x
• Backported to Branch:
  Committed
• Story Points: 8
• Fix Priority: 3
• Git Pull Request: https://github.com/hhuijser/liferay-portal/pull/1782

1. Configurate Mail setting
2. User subscribes a post in Message Board
3. Edit it
Result: Users gets empty string of "to" address in notification email

AWS SES does not accept empty email address in email notification, so that the notification email could not be sent.