1.5.1:
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Fix: Don't overwrite "moderate" flags from other plugins.
     ($serendipity['csuccess'])

1.5:
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Added legal gdpr/dsgvo info

1.4:
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Removed old blacklist 'sbl-xbl.spamhaus.org, bl.spamcop.net' with 'list.blogspambl.com'
and removed use of missing $dnsbl->getTxt() function in delivered old DNSBL.php, thanks to indigoxela