http referer - $_SERVER['HTTP_REFERER'] is used to check if links is clicked in browser ? how to check if link is cliked in email viewer? -


my purpose : send email user contains links, if user click, must go server check , forward. in browser can use $_server['http_referer'], in email don't know how ?

sorry, can use same $_server['http_referer'] if user check mail on web interface, , can't mark click in desktop email client.


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