[Pound Mailing List] getting the following error: alert inappropriate fallback

I have the following configuration:

User "pound"
Group "pound"
Control "/var/lib/pound/pound.cfg"
LogLevel 5

ListenHTTPS
    HeadRemove "X-Forwarded-Proto"
    AddHeader "X-Forwarded-Proto: https"
    Address 82.80.17.31
    Port    443
    RewriteLocation 0
    Cert "/home/admin/certs/limudnaim.co.il.pem"

    Disable SSLv3

    Ciphers
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"

    Service
        HeadRequire "Host: .*online.limudnaim.co.il.*"
        BackEnd
            Address api.braincert.com
            Port 443
            HTTPS
        End
    End

    Service
        BackEnd
            Address 82.80.17.31
            Port    80
        End
    End
End


and I'm getting the following error:
virtual pound: BIO_do_handshake with 54.85.7.126:443 failed:
error:1407743E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert
inappropriate fallback

What can I do about it?