On Wed, Jul 27, 2005 at 08:40:00PM +0100, Tony Finch wrote:
> > This dialog shows the conversations between "Sender" and "2ndMX", and
> > the callout from "2ndMX" to "1stMX" in the middle. The bizarrest thing
> > seems to be, when the "2ndMX" is supposed to do the called, all it is
> > doing is connecting to the "1stMX" and sending QUIT:
>
> See the ChangeLog for 4.50:
>
> 72. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
> This is wrong and can cause the other end to generate a synchronization
> error if it is another Exim or anything else that does the synchronization
> check. A QUIT command is no longer sent after a timeout.
Fantastic Tony,
This seems to be the exact problem.