Anti Spam Anti Virus SMTP Relay – Spam Firewall by NocRoom
NocRoom SpamFirewall is ideal for ISPs, Web Hosting Providers, SMEs and Corporate IT departments looking for an “off the shelf” solution to minimize inhouse development and maintenance as much as possible while reducing the load on mail servers and networks.
NocRoom Spam Firewall is able to immediately start working to block and filter more than 98% of all Spam and Virus infected emails by using it’s default “out of the box” settings alone.
More Details: //nocroom.com/datacenter/spamfirewall/
Microsoft Exchange 2016 servers w/spamwall: https://nocroom.com/datacenter/microsoft-hosted-exchange-servers/