https://www.juniper.net/documentation/en_US/junos/topics/concept/utm-antispam-filter-overview.html
Antispam filtering allows you to use both a third-party server-based spam block list (SBL) and to optionally create your own local whitelists (benign) and blacklists (malicious) for filtering against e-mail messages.
1- create or used default anti-spam
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