Difference Between Email Bounce Filters

Issue

Issue Description
There are two email bounce filters, "Email Bounces" and "Email Bounces Soft" and they both appear to function the same.
 

Solution

Issue Resolution
There are two email bounce filters: Email Bounces and Email Bounces Soft

The Email Bounces filter only references leads that have had hard bounces occur. The bounce codes associated with hard bounces are 1 and 2.

The Email Bounces Soft filter only references leads that have had soft bounces occur. The bounce codes associated with hard bounces are 3, 4, and 9.

More can be read on bounce codes here.  Maintaining a Directory of Leads Bouncing Emails