- You used Acronis Cyber Backup 11.7 and specified email settings in Default backup options
- You upgraded from Acronis Cyber Backup 11.7 to Acronis Cyber Backup 12.5 Build 9010
- After updating to newer builds of Acronis Cyber Backup 12.5(10130, 10330 etc), SMTP settings in System settings -> Email server are empty and need to be specified again.
Issue in the product.
Specify SMTP settings again after update.
Acronis Development team is working on improving the behavior in future updates of the product.