Robust securityProtect your digital communications from external threats with first-class security features.Learn moreS/MIME encryptionSupport for S/MIME enables end-to-end encryption at the user level, ensuring that emails always remain private.Malware and spam preventionIdentify viruses, spam, and other threats with built-in definitions or optional Bitdefender integration.Send with confidenceSupport for DANE authentication helps prevent Man-in-the-middle (MITM) and downgrade attacks from intercepting critical emails.