Take the 2-minute tour ×  There are many ways that emails can be
used to violate the privacy of the recipient (Return-Receipt-
To:, web bugs, iframes loaded from an external page, and other
email tracking methods). It may be possible to configure your
email client to prevent some or all of these tracking methods,
but it requires a bit of knowledge.  Is there any way to test my
email client, to determine whether it has any privacy leaks that
might allow someone sending me email to track me?  share|improve
this question Try those methods on yourself? Unless somebody has
tried these things on your specific mail client, whichever that
is, you you'll have to try these things yourself. –  Luc Nov 7
'12 at 7:52 Thanks, @Luc. I was hoping to find someone who had
implemented all of those techniques for me (this is a complex
field, and I don't want to spend the time to become an expert in
all of the crazy ways you might be able to track people by
email). As it happens, I got lucky and found a web service that
does that;