Email Subscription Images showing as Attachments in Tableau Server

Issue

After upgrading to Tableau Server 2019.2, email subscription images showing as attachments in Gmail (Web Client) (as .png attachment instead of inline). The image doesn't contain the hyperlink to Tableau Server reports.

Environment

Tableau Server 2019.2.0
Windows

Resolution

Upgrade to Tableau Server 2019.2.2 64-bit Windows and 2019.3.0 64-bit Windows. See Tableau Server Downloads and Release Notes for downloads of current and previous versions of Tableau Server. For more information on current releases, see Upgrade Tableau Server and Server Upgrade.

Cause

Tthe emaill content has changed to include "Content-Disposition: inline". This behavior is related to issue ID 928838 which has been fixed in a recent version of Tableau Server.