Has the words:
"opt-out" OR unsubscribe OR "viewing the newsletter" OR "privacy policy" OR enews OR "edit your preferences" OR "email notifications" OR "update profile" OR smartunsubscribe OR secureunsubscribe OR yahoogroups OR "manage your account" OR "group-digests"

HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are st