Squarespace customers should always go directly to www.squarespace.com and sign into their accounts from there. If there is something that they need to do, they will be notified after signing in.
A "Squarespace Domain Names are Subject to Suspension" Scam
From: Squarespace - Customerservice@squarespacecut.com
Sent: 29 March 2019 14:23
Subject: Important: Your domain names are subject to suspension
Image removed by sender. Squarespace
We had to suspend the Squarespace Domain(s) below because we didn’t get a verification from you:
Important next step
You still have time to reactivate your domain, and it takes less than a minute. Please click the link below to verify your contact information
Squarespace customers who have already been scammed are asked to contact Squarespace for help.