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authorKatsumi Yamaoka <yamaoka@jpl.org>2016-02-09 22:41:58 +0000
committerKatsumi Yamaoka <yamaoka@jpl.org>2016-02-09 22:41:58 +0000
commit1a9dbf52d1ce016d38e67ec627ee91b6dac8010f (patch)
tree2db4a23e4dae86107e3b8dc15bd61698254839c8 /doc/misc/emacs-mime.texi
parentfa55da20db11fd09a30c6e5c2205565929aee30e (diff)
downloademacs-1a9dbf52d1ce016d38e67ec627ee91b6dac8010f.tar.gz
Mention web bugs
* doc/misc/emacs-mime.texi (Display Customization): Mention web bugs in the mm-html-blocked-images section.
Diffstat (limited to 'doc/misc/emacs-mime.texi')
-rw-r--r--doc/misc/emacs-mime.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/misc/emacs-mime.texi b/doc/misc/emacs-mime.texi
index 9c4f10ec90c..c9c4b7c2a2f 100644
--- a/doc/misc/emacs-mime.texi
+++ b/doc/misc/emacs-mime.texi
@@ -436,7 +436,12 @@ It is effective when @code{mm-text-html-renderer} (@pxref{Display
Customization}) is @code{shr}. In Gnus, this is overridden by the value
of @code{gnus-blocked-images} or the return value of the function that
@code{gnus-blocked-images} is set to (@pxref{HTML, ,HTML, gnus, Gnus
-manual}). The default is @code{""} that blocks all external images.
+manual}).
+
+Some @acronym{HTML} mails might have the trick of spammers using
+@samp{<img>} tags. It is likely to be intended to verify whether you
+have read the mail. You can prevent your personal information from
+leaking by setting this option to @code{""} (which is the default).
@item mm-w3m-safe-url-regexp
@vindex mm-w3m-safe-url-regexp