Answer:
When sending a resume even if by e-mail, there are reasons why one should always include a cover letter with some of them being;
- Introduction - This is the most important. You need to introduce yourself in the cover letter so that the recruiter may know more about the person sending the resume and have an extra interest in reading the it.
- To assess your writing skills - This is also important even if it will simply be a byproduct of you sending the email. Your letter writing skills will be on full display in the cover letter which will help the recruiter better ascertain your skill in that area.