help needed; how to send one message to all emails as reply?


New Email
Just wanted to know , if I want to send one message to all the different emails I received in my inbox at one time without typing their emails address one by one in cc or to.

e.g. If i want to send " your all who randomly emailed are invited to come"

and there are over 400 emails in my inbox and i want to send it to all of them in one go can I do this in yahoo ?