Bug#841723: libgnutls30: Can't send mails with STARTTLS per exim

[Andreas Metzler]

Control: severity -1 serious
Control: retitle -1 GnuTLS 3.3.x client cannot talk to GnuTLS 3.5.5 server
Control: forwarded -1 https://lists.gnupg.org/pipermail/gnutls-devel/2016-October/008209.html

On 2016-10-22 "bs.net" <bs.net at gmx.de> wrote:
> Package: libgnutls30
> Version: 3.5.5-2

> After the upgrade of libgnutls30 from 3.5.4-2 to 3.5.5-2 I can't send mails 
> with exim over STARTTLS.

> On the client side (Debian Jessie) I get this error message:
> > (gnutls_handshake): A TLS packet with unexpected length was received.

> On the mailer side (Debian Stretch) I get this error message:
> > (gnutls_handshake): Error in the pull function.
[...]

I have been able to reproduce and bisect and have forwarded the issue
upstream.

cu Andreas
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