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General

In the console: Settings › Spam Filter › General

How hard the spam filter is, and who is always trusted.

Spam Filter Settings

Spam threshold

Mark as Spam messages with a score above this threshold.

A number. Default: 5. Name in the API: scoreSpam.

Discard threshold

Discard messages with a score above this threshold.

A number. Default: 0. Name in the API: scoreDiscard.

Reject threshold

Reject messages with a score above this threshold.

A number. Default: 0. Name in the API: scoreReject.

Enable spam filtering

Whether to enable the spam filter.

On or off. Default: On. Name in the API: enable.

Spam Filter Overrides

Do not classify emails from contacts as spam

Never classify messages as spam if they are sent from addresses present in the user's address book.

On or off. Default: On. Name in the API: trustContacts.

Do not classify trusted email replies as spam

Never classify messages as spam if they are replies to messages sent by the recipient.

On or off. Default: On. Name in the API: trustReplies.

Greylisting

Duration

Time to keep an IP address in the grey list. The grey list is used to delay messages from unknown senders.

A length of time. Name in the API: greylistFor.

External Rules

Rules URL

URL to download spam filter rules from. Empty uses the rules bundled with the server.

An address (URL). Name in the API: spamFilterRulesUrl.