Typos in URLs are a common cause of 403 errors. Double-check that the link is spelled correctly. Often, automated emails contain broken links where a letter is missing.
Some websites block traffic coming directly from "hot links" in emails or instant messages to prevent bandwidth theft or scraping. access denied https wwwxxxxcomau sustainability hot link
It looks like you’re referencing an error when trying to visit a URL that seems to be a hotlink or direct path to a sustainability page on a website (possibly www.[something].com.au ). Typos in URLs are a common cause of 403 errors