The analysis reveals:
Educational level of the sender:
N is an educated writer, probably a native speaker, of English (accurate spelling; grammatically well-formed sentences; sophisticated and varied vocabulary)
Style of the message:
somewhat informal (‘HI’; ellipsis; ‘f2f’)
Organization of the message:
follows basic e-mail message schema: Greeting-Message Body-Closing (Herring 1996)
Sender’s state of mind:
N appears to have been in a hurry (uncorrected typo; all parts of message run together)