Reserved IPs Support Articles

Reserved IPs do not support SMTP traffic.
You cannot retain a Droplet’s IPv4 when you transfer the Droplet to a new region. Use a reserved IP address to maintain a static IP address.
You cannot create Droplets with a specific IP address, but you can use reserved IPs for a static address that you can migrate between Droplets.
Droplets do not have a dedicated IP address.
Snapshots do not retain the IP address of the Droplet they were created from, but you can use reserved IPs to assign the same address to new or redeployed Droplets.