My initial guess was "mail box", but "post office" would contain more letters. 

With the number of letters passed through the internet, "em" and "ail" can be combined for "email", for another possibility.

The two words: "public library", might also be a likely consideration.

Edited on June 27, 2008, 11:58 pm

Posted by Dej Mar on 2008-06-27 16:33:54