Hey all, So the mail on my macbook just suddenly stopped being able to receive or send anything, everytime I open mail I get a pop up box saying: The SMTP server smtp.mac.com rejected the password for user schreiber16 Please re-enter your password, or cancel. So I enter my password but the box keeps popping up. I'm a bit of a n00b when it comes to this sort of stuff, and Google tells me that it may be something to do with my ISP.. but I'm at a loss how to fix it. I did a search and there have been others with the same problem as me, but most of them said the problem fixed itself, whereas mine hasn't after a couple of weeks.. If anyone has any suggestions I'd really appreciate it!