Hi, Spell-check is implemented in the Webmail interface that comes along with iMS. I dont think that it can be fully interactive if you are using a mail client ( I could be wrong ). On the web mail interface you are shown the possible mistakes immediately. How can you implement this if someone uses a mail client like Outlook Express? You can use a plug-in method if you directly substitute the mistake with the correction without asking the user if it is right and dispatching the mail immediately. Keep me posted on this. Thanks !!