Personal pronouns (like I, we, and you) are important in letters and memos. In such documents, it is perfectly appropriate to refer to yourself as I and to the reader as you. Be careful, however, when you use the pronoun we in a business letter that is written on company stationery, since it commits your company to what you have written. When stating your opinion, use I; when presenting company policy, use we.
Even though you are using a personal account, choose an email address that looks professional. Your best bet is some variation on first initial, last name (e.g., [email protected].com) or first name, last name [email protected].com). Here's how to set up an email account just for your job search. Tips for Writing a Compelling Cover Letter. Get information on how to write a cover letter, including what to include in your cover letter, cover letter format, targeted cover letters, and cover letter samples and examples.