Glossary
Email security
Protecting email accounts and messages from abuse.
ValidReach Team · Updated 2026-10-26
In practice
The main threats are phishing, spoofing, malware attachments and account takeover. Controls include authentication for your domain, TLS, multi-factor sign-in and staff training.
Verification and sending
Security and verification differ: one defends your mail from attackers, the other checks that recipients exist.