Networking Support Articles

Reserved IPs do not support SMTP traffic.
Addresses assigned to a Droplet remain static for the life of the Droplet.
Droplets do not have a dedicated IP address.
Use this guide to gather information about your firewalls and diagnose problems.
Our DNS recursive servers now require Authoritative Answer flags when resolving host names.
Configure your firewall to allow outgoing traffic through ports 80 and 443.
There are a few ways to install an SSL on your Droplet, depending on where you get the certificate from.
You can point multiple domains at a Droplet and serve multiple websites from it.
DigitalOcean blocks SMTP port 25 to prevent spam and other abuses of our platform.