It helps to build a courteous relationship Having your letter keeps your name in front of the interviewer Taking time to write a letter tells the interviewer of your continued interest and enthusiasm for the job
Nearly 15 percent of hiring managers would reject a job candidate who neglected to send a thank-you letter after the interview 32% said they would still consider the thankless prospect but that their opinion of him or her would diminish 23% of managers prefer a handwritten thank-you 21% seek a typed hard copy 19% want an ed thank-you followed up with a snailed letter 26% expect to receive the thank you within two days careerbuilder.com
The letter allows you to reinforce key points you discussed during the interview If you forgot to mention something important during the interview, you can put it in your follow-up letter Be sure to use the interviewers name and state the position you interviewed for.