Tcl
Tcl
Unobfuscate a Spammy Email
See more Email Object Examples
Demonstrates the Chilkat Email.UnSpamify method, which unobfuscates an email by undoing common spammer tricks — it removes comments from HTML bodies and unobfuscates hyperlinked URLs. This example cleans an HTML body whose link was broken up by an inserted comment.
Background: Spammers deliberately scramble HTML to slip past filters — inserting empty comments in the middle of words or URLs (
exa<!--x-->mple.com), or otherwise obfuscating links — so the message renders normally to a human but confuses naive keyword matching. UnSpamify reverses those tricks, producing a normalized body that is easier to analyze, classify, or scan for the real destination of its links.Chilkat Tcl Downloads
load ./chilkat.dll
# Demonstrates the UnSpamify method, which unobfuscates an email by undoing common spammer
# tricks: it removes comments from HTML bodies and unobfuscates hyperlinked URLs.
set email [new_CkEmail]
CkEmail_put_Subject $email "UnSpamify example"
# An HTML body with an obfuscating comment inserted into a hyperlink.
CkEmail_SetHtmlBody $email "<html><body>Visit <a href=\"http://exa<!--x-->mple.com\">our site</a>.</body></html>"
# Undo the obfuscation.
CkEmail_UnSpamify $email
set cleaned [CkEmail_getHtmlBody $email]
puts "$cleaned"
delete_CkEmail $email