Is this job offer email a scam?

Hi
I got this mail, out of nowhere, supposedly from LinkedIn, with a job offer on Facebook

It can't be for real, can it?
Can businesses comb the deserts of linked-in and send offers?
I won't respond, I'm not interested, also
What clues are there that it is fake?

----- Forwarded Message -----
From: Sarah T. <inmail-hit-reply@linkedin.com>
To: -----snip-------  <-----snip------@yahoo.com>
Sent: Friday, May 4, 2018, 1:56:00 PM EDT
Subject: Opportunity with Amazon Teams (in Bay Area, Seattle or Boulder!)

 
Hi ------Snip-----, 

*****Your time is very valuable. If you are not interested, feel free to decline using the "Not Interested" Quick Reply below:

My name is Sarah and I am a technical recruiter partnering with teams at Amazon to find talented software engineers and managers. After taking a look at your profile, I think you could be a wonderful fit for Amazon teams in Seattle, Bay Area or Boulder.

If you are interested either now or in the future, I would like to set up a time to discuss the positions to see if they align with your interests and career goals. I focus on mid- to senior-level software development and leadership direct hire positions involving architecture and high-level design, and developing some of the most important customer-facing features core to Amazon's business. 

I look forward to hearing from you soon!

Sarah Teng

Sarah
steng@vitalsourceit.com

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Of the Sarah Teng's on FB, none are in Boulder, Co, - or Amazon employees
What would happen if I clicked their button?

Thanks