Do all this before you need a letter of recommendation. Make your request in person, NOT through e-mail. If possible, make an appointment. Explain the opportunity you are applying for and ask if the ...

If you are a student being sponsored to attend Western Michigan University and need to request a letter for your sponsor, there is now a formal process to request that letter from your academic ...

Some companies recommend sending the letter by certified mail, so you have proof that it was accepted. I am writing to ...