Use a professional email address
Write a clear subject line
Address the HR person by name if possible
Keep the email body short and polite
Mention the position you are applying for
Attach your resume in PDF format
Name the file professionally
Include a brief cover note in the email
Mention any required documents if applicable
Check spelling and grammar before sending
Verify the recipient’s email address
Send the email during business hours
Follow up if you do not get a response
Keep a copy of the sent email and attachment