- You used Acronis Backup 11.7 and specified email settings in Default backup options
- You upgraded from Acronis Backup 11.7 to Acronis Backup 12.5 Build 9010
- After updating to newer builds of Acronis 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.