1. A method for automatic dissemination of spelling rules within working groups having a sender computer and a recipient computer, the method consisting of: composing a document on the sender computer; performing a spell check on text within the document; identifying a word flagged by the spell check as being absent from a dictionary associated with the spell check and with the sender computer; adding the flagged word to the dictionary associated with the sender computer; tagging the flagged word with an indication that the flagged word is to be added to a dictionary associated with the recipient computer in response to the document being at least one of received and opened in the recipient computer, wherein the tagging of the flagged words defines a spelling rule; storing the indication within the document; sending the document to the recipient computer; at least one of receiving and opening the document on the recipient computer; adding the tagged words to the dictionary associated with the recipient computer and in accordance with preferences of the recipient computer, wherein adding the tagged words operates to disseminate the spelling rule; and sending additional tagged words from the dictionary associated with the sender computer, the additional tagged words being absent from the document, wherein the additional tagged words are automatically added to the dictionary associated with the recipient computer in response to the recipient computer receiving the document wherein adding the additional tagged words operates to disseminate spelling rules associated with the additional tagged words.