History of Synametrics RBL

In 2007 Synametrics Technologies created Xeams - a secure and powerful email server with a strong built in junk filter to help eliminate spam from passing through users inboxes.

In 2017, Synametrics Technologies introduced Synametrics Realtime Blackhole List - SynRBL to further fight spam and phishing attacks.

SynRBL is a free service and is a DNSBL of IP addresses that are known to send spam, that is available to the public. You can de-list an IP address here if you believe it is not malicious.

More than 50,000 users worldwide have selected Synametrics to help them get more out of their devices. We are committed to continuous innovation of our products, providing IT expertise to our clients, and focused on providing information and security to the computing community. Our products are always under constant development and refinement. All of our products are mature, stable and most importantly real business solutions.