When new mail arrives, Mail Notification alerts you by displaying an icon in the notification area. Moreover, a mail summary can be displayed in the icon tooltip, a sound can be played, and notifications containing useful action buttons can be popped up.
Mail Notification can monitor multiple mailboxes concurrently, and supports Evolution, Gmail, IMAP, Maildir, mbox, MH, Mozilla products (Mozilla, SeaMonkey, Thunderbird, …), POP3, Sylpheed, Windows Live Hotmail and Yahoo! Mail mailboxes.
Mail Notification supports advanced POP3 and IMAP features such as SSL/TLS connections (in-band or on separate port), SASL and APOP authentication, and the IMAP IDLE extension.
Go to yast -- Software management and search for "mail-notification", after finding the package you can directly install it
After successful installation, you can find the "mail-notification" software under "Internet" -- "E-Mail" program list,
The interface is simple, functional, respects the GNOME Human Interface Guidelines and integrates well into the GNOME Desktop Environment (though Mail Notification can also be used with KDE, Xfce and other environments).
After sucessfull configuration of you inbox you should see something like .. on receiving new mail