To disable amavis notification, you need to define parameters in Amavisd-new in Messaging Artica section
 
Define the behavior when amavis encouter emails.
The first strategy is to define what amavis must perform when it detect a bad mail.
Click on "Filters Behaviors" under amavis section.
Define options in order toset black hole when found a spam.
Delete all notifications :
- Click on SMTP Alerts & Notifications icon
- Be sure that all options are in red crosss.
- Don't forget to do "Save & Apply" under amavis section
