The security of your account is (un)important to us

A heart-warming story - not :)

I use a service -which shall remain unnamed- to send and receive money on line. Once upon a time, I received an email that seemed to be sent by this service, asking me to click a link in the mail and verify my information (read: password).
Of course I'm not as stupid as I look (or maybe I don't look as stupid as I am, still got to figure that one out), but if you click that link, you are sent to a page on which you are asked for your password. The person on the receiving end can then use your password and help themselves to your money.
The service I use has an email where you can forward suspicious looking mails. I forwarded the mail.
Within seconds I received a reply. Yes. Seconds.
In the reply I was  thanked for forwarding this suspicious email. They then confirmed that it was a phishing attempt. I was assured that the security of my account is important to them.
After giving this some consideration, I realised that all I really got was an auto-reply. Nobody had looked at the forwarded mail. Curiosity got the better of me. Was their system programmed maybe to detect certain keywords in a mail, thus recognising it as a phishing attempt? Only one way to test and find out for sure. I hadn't emptied my spam folder yet and found a generous offer for viagra at a low price. Perfect, exactly what I was looking for.
I forwarded the offer for viagra to the same place I had forwarded the scam mail to. The reply came within seconds.. thank you so much for forwarding this suspicious looking mail. It is a phishing attempt, blah blah.. The security of your account is important to us, blah blah..