Bug#467152: exim4-daemon-heavy: TLS delivery attempts fail with: (gnutls_handshake): A TLS packet with unexpected length was received.

[Marc Haber]

On Sat, Feb 23, 2008 at 06:10:39AM -0600, Marc F. Clemente wrote:
> Marc Haber wrote:
> >On Wed, Aug 09, 2006 at 11:42:54AM -0500, Marc F. Clemente wrote:
> >>I am seeing this bug with exim version 4.62-4.
> >>
> >>To me, it happens with Thunderbird and Mozilla MUAs (on different  
> >>computers).  It does not happen all the time.  If the MUA fails sending  
> >>the message, a repeat attempt will eventually succeed.
> >
> >Do you still see the issue on a current Debian stable, testing or unstable?
> >
> >Does it, for example, happen wir larger (multiple megabytes) or also
> >with small ones?
> 
> My problem was lack of entropy.  This was verified by checking 
> /proc/sys/kernel/random/entropy_avail while I received a message.  I 
> switched to /dev/urandom and the problem went away (and has not come back).

How did you switch to /dev/urandom? This should not be necessary any
more on current versions of Debian, and - depending on the way the
switch was done - decreases your security of your entire system.

Greetings
Marc, suggesting to revert the switch for testing purposes

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