> In most (but not all) legitimate e-mail, they will be the same. Just to be clear, most automated emails from major providers have them different. This is bec

> In most (but not all) legitimate e-mail, they will be the same. Just to be clear, most automated emails from major providers have them different. This is because, while the From header is shown to the user, the envelope sender is sent bounces. So companies like Google, SendGrid (used by GitHub), and MailChimp set up special "bounce handler" addresses as the envelope sender to detect if there's a problem sending you email. https://en.m.wikipedia.org/wiki/Variable_envelope_return_path https://en.m.wikipedia.org/wiki/Variable_envelope_return_pat...