Post Interview Thank You Letters

<p>Just finished my interviews. I was told that it was best to send my interviewers a thank you note and that via mail was best. But I only have the e-mail addresses of my interviewers - should I just send it via e-mail or is that too tacky? How would I send it by mail? To who?</p>

<p>You can always send it c/o the admissions office.</p>