Spam & junk mail

The mail engine scores every incoming message. Choose the score at which mail is filed into the Junk folder for your organization. Lower values are stricter; higher values are more permissive.

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How it works

Stalwart analyzes each message and assigns a spam score (same scale as its built-in filter).
Your organization's threshold controls delivery via a server-side filter on each mailbox.
IMAP and webmail both respect the Junk folder routing.
After you change the threshold, each user's filter updates the next time they open webmail.