Who called from 6576677288

I got the following email message: "My husband will be in another city soon! We should hang out!
You just can write me ;)
My Number 657_667_72_88"

From: [email protected]

I would like to know what is their scam.

Anything .gmx  is a known spam domain - mostly forum spams. They must be branching out..  
You can report it here:
https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2
http://www.consumerfinance.gov/complaint/

I got the same email saying my husband is out of town lets get together...The # is a California area code and I live in Utah

I am in Toronto and I had same [***],,,husband gone...