This add-on is compatible with Firefox 37+ and Firefox OS 1.1. To test apps with Firefox OS 1.2+, please use WebIDE built into Firefox! For more info, see the WebIDE MDN documentation. This add-on is large (50-70MB), because it bundles a complete simulation of Firefox OS, including its default apps.
Best Answer: With the all-new Yahoo Mail, there is no option to import pst files. However, in the Yahoo Mail Classic the only thing you can import are contacts in the address books. Here are the steps to do import/export of contacts: 1. Choose a program to import contacts from: Yahoo! (.CSV file)
The Yahoo! Mail SMTP server settings for sending mail through Yahoo! Mail from any email program are: 1  Yahoo! Mail SMTP server address: smtp.mail.yahoo.com. 2  Yahoo! Mail SMTP user name: Your full Yahoo! Mail email address (including @yahoo.com) 3  Yahoo! Mail SMTP password: Your Yahoo!  Yahoo! Mail SMTP port: 1  465. Yahoo! Mail SMTP TLS/SSL required:  yes.