I agree with Barbara. This person also left this phone number for me when responding to a Craigslist Ad. The wording in the e-mail was sketchy and I also think it's a scam.

"They left this number when responding to a Craigslist ad.  Their verbage in the reply sounded like a scam response to me."

Got the same result from a Craigslist ad.

The same thing happened to me.  They left this number when responding to a craigslist ad for me too.  I thought it sounded like a scam, so I am ignoring it.

I received the following message in response to a craigslist ad:  

Thanks for the prompt response, my secretary will  process  and mail a
certified draft to cover the cost  as am completely satisfied  with
it.I will need the details of whom & where to mail the payment
1.Name to be on the check
2.Home address
3.Mobile phone number
Please note United Parcel Service do not deliver to P.O.Box and i will
not be  mailing a draft to one.My mover will be  coming over for the
pick up right after the payment as been delivered.Kindly delete the
posting as am totally committed to buying from you.I recently move
here on a job transfer and this will is a great by for me.Here is my
relay # 765-523-2844  am hearing  impaired and will receive your phone
messages via email ,regards.

The email of the sender was m13drop@gmail.com who claimed to be Mary Smith.

I got the exact email as Dan (above)