I have used Thunderbird with an add-on that enabled the use of recorded voice announcements identifying incoming messages so that I did not have to come back upstairs to the computer to determine what it was. The upgrade to Fedora-30 requires the use of a Thunderbird version that no longer supports the add-on [Tonequilla]. Until now I dnf downgraded Thunderbird and then the add-on could be installed, now downgrade gets Thunderbird 60.6.1 (64-bit) for which the add-on is disabled and not available.
Is there another way to accomplish this, a way to make a unique sound for incoming email message addresses?
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-- Bob Goodwin - Zuni, Virginia, USA http://www.qrz.com/db/W2BOD box83 FEDORA-29/64bit LINUX XFCE Fastmail POP3