I received this notification and though it was phishing:
From: MediaWiki mail
Subject: You have a new talkpage message
Wikipedia user Axpde posted on your talk page:
/* ? */ new section
View more:
http://test.wikipedia.org/wiki/User_talk:Nemo_bis
To control which emails we send you, visit:
http://test.wikipedia.org/wiki/Special:Preferences#mw-prefsection-echo
Wikimedia Foundation, 149 New Montgomery St., 3rd Fl., San Francisco, CA 94105.
The WMF never wants to appear responsible of the users' messages and emails.
Version: wmf-deployment
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=46316
https://bugzilla.wikimedia.org/show_bug.cgi?id=59913