One thing that amazes me is that I get a huge volume of spam emails that claim to be from financial institutions. I use gmail for two reasons: (i) deliverability to mailing lists I need to be on and (2) other mail programs don't filter that junk out.
In 2015 it should be impossible to send a fake email from chase.com
But, unfortunately, even mail from a properly configured mail server on properly protected domain will still end up in gmail users' spam boxes by default. Domain and server rep systems are a bear to work with.
In 2015 it should be impossible to send a fake email from chase.com