Rspamd
8.1#1 in email security gatewaysFrom £100 a monthFree planWebAPILinuxmacOS
Visit| Fact | Rspamd | Symantec PGP Gateway Email Encryption |
|---|---|---|
| Purpose | Rspamd is an email security engine designed to stop phishing, business email compromise, malicious attachments, and spam. | PGP Gateway Email Encryption protects sensitive outbound email with centrally managed, policy-based encryption at the email gateway. |
Rspamd suits organizations operating their own mail systems that need gateway filtering and control over deployment. It may also suit teams seeking premium engineering support or enterprise SLA options.
You want what its maker publishes above — check its page for the details.