eml-viewer
extension
Attachment preview route for email message (.eml) files in the web timeline
emailemlviewer
v0.2.1 ↓ Download .tgz
Open Settings → Add-Ons and pick eml-viewer
Source: addons/eml-viewer

Attachment preview route for email message (.eml) files in the web timeline

Install

Open Settings → Add-Ons and install eml-viewer from the catalog.

Features