Yes Warden uses the amavisd-milter which can reject email at the SMTP level before it is accepted by your mail server. This results in no backscatter from your server because the message was never accepted by your server in the first place.
No there is no downtime required to install and configure Warden Anti-spam and Virus Protection....
Subdomains do NOT count towards your domain limits. So you could have a server with a few domains...
The admin and pro editions allow you to use up to 10 domains (admin edition) or 30 domains (pro...
Our free trials allow you to install and use any of our Plesk extensions for a trial period of...
All domains added in Plesk are counted towards your domain limit indicated on your Danami...
