It’s really recommended to send your newsletters via a dedicate email service provider. One of the big players in this field is Amazon’s Simple Email Service (SES).
Articles Tagged: amazonses
Handling Bounces with AmazonSNS
If you are sending your Campaigns with Amazons Simple Email Service you can use the regular Bounce option that comes with Mailster. If you like to have more control on bounces you should switch to AmazonSNS.