Bug#343085: exim4: Exim SMTP_AUTH hangs since today...

[Micha Lenk]

Hi,

Marc Haber schrieb:
> On Fri, Sep 15, 2006 at 09:55:58AM +0200, Micha Lenk wrote:
>> I now struggled about the same problem here: Exim hangs
>> after STARTTLS in outgoing connections. I observed this behaviour with
>> exim4-heavy-daemon 4.50-8sarge2 and 4.62-0bpo1 equally.
>> 
>> What strikes me: Usually my mailserver is simply working fine. But every
>> morning at more or less 6:25 AM (apparently after logrotation) it tends
>> to hang. May be this gives a hint how to trigger this bug.
> 
> In the daily cron job, the diffie-hellman parameter file is deleted
> and exim tries to regenerate it on the next TLS connection
> initialization.
> 
> Starting with exim4 4.52-2, if the gnutls-bin package is installed,
> the dh-parameters are generated asynchronously and only replaced after
> new ones have been successfully generated. This will still starve your
> entropy (since GnuTLS is very uneconomically using the entropy), but
> exim will continue using the old dh parameters until the new ones have
> been generated.

Maybe this should be documented in NEWS.Debian or even README.Debian. 
Shouldn't it?

Thanks for the hint anyway...

Have a nice day
   Micha