>>You can use many email addresses at once, preferrably in the BCC field so that people won't see who the other recepients are. Use a semicolon between each email address.
>>
>>Or do I completely misunderstand your question?
>
>Yes, I want to be able to open an existing e-mail, change some information in it (Edit) and then send. I'm not sure there is a possibility to do such a thing in any e-mail client. I'm using Internet based gmail.

So you want to do a mail merge type of thing?