By Whom, Application letters

Hi, Send an application letter, for a job I presume, that begins with 'To whom it may concern'? Surely you jest! For reasons that escape me, many of our learners here on the Forum seem endlessly fascinated with the idea of writing letters that start with 'To whom it may...

(This text is my application letter for my internship application, can you read quick over it and point out the possible mistakes to me? thanks for the help) Dear ....., We emailed one year ago, I put my previous emails together for you to remind you of our chat. Further down you can...