This article will explain how you can open port 587 on your Windows VPS.
Please note: this article was originally created for our previous generation of Virtual Private Servers. As such, these instructions may not be relevant to our current generation of Virtual Private Servers.
Step 1 of 4
Log in to the admin home panel.
Step 2 of 4
Click the Tools & Settings link in the left hand menu.
Step 3 of 4
Click the Mail Server Settings link.
Step 4 of 4
Tick the Switch on message submission option on the Server-wide mail settings page.
This will then activate port 587 on your VPS.