Email Sender not verify email address format

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.10.12 DXP SP12, 7.0.X, 7.1.10.2 SP2, 7.1.10 DXP FP14, 7.1.X, 7.2.10 DXP GA1, 7.2.10 DXP FP2, 7.2.X, Master
• Fix Version/s: 7.1.10 DXP FP20, 7.1.10.5 SP5, 7.1.X, 7.2.X, 7.3.0 CE GA1, 7.3.10 DXP GA1, Master
• Component/s: Portal Configuration
• Labels:
  • ee-ts
  • liferay-dxp-71-sp5
  • liferay-fixpack-dxp-20-7110
  • liferay-fixpack-dxp-9-7210
• Branch Version/s:
  7.2.x, 7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/81041

Steps to Reproduce

1. Start Portal
2. Go to Control Panel > Configurations > Instance Settings > Email
3. Go to Email Sender tab
4. Update the Address to a invalid email address, like test#domain.invalid or testinvalid

Expect Result
Fail to update the Address field since the format is invalid.

Actually Result
Saved the address successfully, and can received email with the invalid address.