Warns if links in a Gmail body do not match the sender's core domain, safely handling URLs with email parameters.
Gmail Link Domain Validator checks the sender domain and compares to any hyperlinks in the email. If the hyperlink domain does not match the sender domain, on mouseover it shows a warning on the link and shows that that the domains don't match. This will help with very long emails where it is difficult to scroll up to check the sender domain to the link domain. It will help to identify possible phishing attempts or scam links.
