On Sun, 2019-05-19 at 04:47 +0000, pol pak via evolution-list wrote:
> Error writing data to TLS socket: The specified session has been
> invalidated for some reason.
> How do we figure out what causes this ?
By reading the thread "evolution failing on TLSv1.3 after gnutls
upgrade" on this mailing list from this month in the list archives.