No we do not block any ports out right. Port 25, 22, 21, 23 are monitored for abuse, if our firewall detects possible abuse the port(s) are automatically shut down for 1 minute to 1 hour depending on how many times traffic is flagged.

Also Read

Can I use LiquidVPN on a mobile device?
The short answer is yes However we have not released our mobile VPN client yet so you will need...
Can I use LiquidVPN on more than one device?
Yes, you can use LiquidVPN from as many different devices as you want. The only restriction we...
What support options do you offer?
In order to keep costs down we provide technical support and remote assistance via trouble ticket...
Do you offer TCP and UDP OpenVPN connections?
Yes, and we provide several ports for each type of network topology we offer.
Are there any hardware requirements to use LiquidVPN?
A VPN client will run on virtually any semi modern device. It should be noted that the CPU power...