General cover letter This type of cover letter is the one where you apply for a general job and send in, or mail in your resume. (job-interview-site.com)
First contact cover letter This type of letter is used when you contact an enterprise that didn't place advertisements for specific positions. (cvtips.com)
According to my survey, about 22 % of bloggers will accept a review request from an unsolicited mass - mailed form letter type of request. (badredheadmedia.com)