Test your email account for privacy leaks

You are being tracked on the Internet no matter where you go unless you are very careful what you do and also in regards to your data.
One common form is email tracking. This is being used to verify that a recipient has opened the email at the very least. Depending on the tracking methods used, it may provide additional information, for instance if a link was accessed or an image displayed.
The two most common methods used by trackers are links and remote contents. If a recipient clicks on a link, it is not only clear that the email has been opened, but also that the user visited the linked website or service. This may reveal additional information such as your IP address or operating system version.
The second method uses remote contents, images for example. Many email clients block these types of content by default to improve user privacy.
What most email users may not know is that there are additional means to track emails.
The free service Email Privacy Tester sends a specially prepared test email to an email address that you enter on the service's web page.
All you have to do then is to open it on the service website or an email client. Once you have done that, you should check back on the website of the service as it will highlight any tests that have been triggered by that.
Email Privacy Tester supports a total of 28 different tests at the time of writing. A click on any test on the results page displays information on how it is used in emails. The CSS background test for example loads an url that is used for tracking.
You will notice that most of the methods require some form of external content that is being loaded. A client that is blocking all forms of external content should block all of the tests, while others may only block select tests.
It is comfortable to enter an email address in the form and get results right away. If you prefer not to reveal your email address there, you can also add the tests manually to an email. For that to work, it is necessary to use unique addresses on a web server that you own as you need to check the hits that these resources get -- or not -- to find out if you can be tracked by that.
A source code is made available as well which may be an alternative as well in regards to setting it up yourself.
One of the interesting revelations of the test is that it provides you with a comparison between blocking and allowing remote contents.

You said that Outlook isn’t your main email client, so which is your main one?
I think its thunderbird
It is Mozilla Thunderbird.
Awesome! This actually solved my problem… what a stupid bug.
If this is the same bug that I’ve encountered, there may be another fix: (1) hover over open Outlook item in Taskbar, cursor up to hover over Outlook window item, and right-click; (2) this should give you Restore / Move / Size / Minimize / Maximize — choose Move or Size; (3) use your cursor keys, going arbitrarily N/S/E/W, to try to move or size the Outlook window back into view. Basically, the app behaves as though it were open in a 0x0 window, or at a location that’s offscreen, and this will frequently work to resize and/or move the window. Don’t forget to close while resized/moved, so that Outlook remembers the size/position for next time.
THANK YOU Claude!!! I could get the main window to launch but could not get any other message window to show on the desktop. You are my hero!!!!
Solved my issue! 6 years later and this is still problem…
Fantastic. Thank you. Size did the trick.
This solved my Outlook problem, too. Thank you. :)
Thank you so much, this started happening to me today and was causing big problems. You are a life saver, I hope I can help you in some way some day.
You are a god – thank you!
thanks a lot…. work like charm.. :-)
Yah…thanks Claude. I’ve been having the same problem and tried all the suggestions…your solution was the answer. It had resized itself to a 0/0 box. Cheers
Excellent post. This had me baffled even trying to accurately describe the problem. This fixed it for me.
Thank you
Thanks a lot for the article. Don’t know why it happenend, don’t know how it got fixed, but it was really annoying and now it works :-)
Thanks a lot. I was facing this issue from past 3 week. I tried everything but no resolution. The issue was happening intermittently and mainly when I was changing the display of screen ( as i use 2 monitors). The only option i had was to do system restore. But thanks to you.
I’ve been tried to sole this problem for 12hours. Your comment about changing the display of screen helped me a lot!! Thanks!!
Thank you…don’t know why this happened but your instructions helped me fix it. Running Windows 10 and office pro 2007
Great tip! Thanks!
Worked for me, too – thank you!!!
It’s Worked for me, too
thank you very much!
I had a similar issue with Outlook 2013 on Windows 10 and this helped me to fix it. Thank you very much!
Thank you so much. Solved!
Considering you published this in 2012, incredible not been debugged by Microsoft.
Thank you again. M
This problem was faced by only one user logging to TS 2008 r2 using outlook 2010.The issue was resolved.
Thanks.
Great tip. Thank you!!!! If it helps, I had to use the Control Key and the arrow keys at the same time to bring my window back into view. Worked like a charm.
Thank you, this worked !!!!
Man, you are a fucking god. Thanks a lot, what an annoying bug!!
Awesome, this post solved the issue. Many thanks!