Voice of Elmo's
Email to Accuser
'I Keep Talking About Sex with You' 

ACCORDING TO TMZ.COM

Kevin Clash -- the man who voices Elmo -- had an email exchange with his accuser in 2010 in which he apologized for constantly talking about sex ... and promised to make all of his "dreams come true" ... TMZ has learned.

We broke the story ... Clash was disciplined by Sesame for sending a personal email from his Sesame Street email account. The email was sent to a man who now claims he had a sexual relationship with Clash when he was 16 and Clash was 45.

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