It said the following. It is really from StackExchange? I have been on this site for some time and don't think I have ever seen such a message.
Please verify your Electrical Engineering Email address
To make sure that you receive emails, we need to confirm your email address. All it takes is a single click.
Here are the first few headers. Since 10.x.y.z isn't a public IP address, I can't be sure about anything from that. The SPF warning is concerning.
Received: by 10.204.141.81 with SMTP id l17cs33255bku; Wed, 14 Sep 2011 10:32:39 -0700 (PDT) Received: by 10.204.156.16 with SMTP id u16mr77874bkw.54.1316021558381; Wed, 14 Sep 2011 10:32:38 -0700 (PDT) DomainKey-Status: good Received-SPF: softfail (google.com: best guess record for domain of transitioning email@example.com does not designate 22.214.171.124 as permitted sender) client-ip=126.96.36.199; Received: by 10.205.80.68 with POP3 id zt4mf813920bkb.21; Wed, 14 Sep 2011 10:32:37 -0700 (PDT)