Yahoo! Mail, like many other popular email providers, understands that you are likely to have multiple email addresses or switch to a new email address at some point in the future.

The easiest way to create a group email in Yahoo Mail is by simply sending an email to multiple addresses, but you can also make a mailing list.

As of Monday afternoon, Yahoo is letting people request other people’s old email addresses. Under a plan greenlighted by CEO Marissa Mayer to gin up fresh interest in the once-popular service ...