SeaMonkey add-on shows user agent icon for received mails.
That's not all, though. The Display Mail User Agent for SeaMonkey also adds a feedback window where the link to the client's website will be displayed. You can click on this link straight from your email window, which is extremely convenient if you're someone who frequently clicks on links within your emails.
And here's another great thing about the Display Mail User Agent add-on: it's cross-platform. Whether you're using Windows, Linux, or Mac OS, you can take advantage of this handy add-on. So if you're looking for a way to enhance your email experience, give the Display Mail User Agent for SeaMonkey a try today!
Version 1.6.4.3: N/A