Many email providers these days allow us to import mails from other email accounts. Managing multiple mail accounts in Yahoo is a breeze. The process of importing other email accounts is just a few clicks.
Syncing of multiple accounts is seamless and you can send a mail from whichever the account you want.
Right click on the area as in the picture below and click on add a mailbox.
Then choose the mail account you want to add.
The chosen mail accounts login screen will appear. You need to log in to authorize yahoo to import the account. That’s it you have added a mail account to Yahoo.
Now you can view mails from probably all of your accounts in one place. How good is that.
For sending an email from a particular account, click the account and then click on compose. The editor will display the appropriate from address.