Detect Spam

using RBL, Greylisting, SURBL, Bayesian, SPF, Backscatter

Block messages

using keywords in subject or text or attachments with a specific name

Encryption

using opportunistic SSL/TLS and S/MIME

Signing

using DKIM or S/MIME

Every Exchange

including SBS 2003/2008/2011 and Exchange 2003-2019

International

available in English, German, French, Italian and Spanish