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

[Marc F. Clemente]

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).

Marc