policy/protocols/smtp/blocklists.bro
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SMTP
Watch for various SPAM blocklist URLs in SMTP error messages.
Detailed Interface
Options
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SMTP::blocklist_error_messages
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/((((((((((((((^?(spamhaus\.org\/)$?)|(^?(sophos\.com\/security\/)$?))|(^?(spamcop\.net\/bl)$?))|(^?(cbl\.abuseat\.org\/)$?))|(^?(sorbs\.net\/)$?))|(^?(bsn\.borderware\.com\/)$?))|(^?(mail-abuse\.com\/)$?))|(^?(b\.barracudacentral\.com\/)$?))|(^?(psbl\.surriel\.com\/)$?))|(^?(antispam\.imp\.ch\/)$?))|(^?(dyndns\.com\/.*spam)$?))|(^?(rbl\.knology\.net\/)$?))|(^?(intercept\.datapacket\.net\/)$?))|(^?(uceprotect\.net\/)$?))|(^?(hostkarma\.junkemailfilter\.com\/)$?)/