GSoC 2008 dma enhancements

[Matthias Schmidt]

Hi,

* Jordan Gordeev wrote:
> 
> I wonder what will happen if mail supposed to be delivered through smart host, 
> can't be delivered because of temporarily inacessibility of the smart host. 
> Where is such mail supposed to be stored, and who will re-attempt delivering it 
> after a system crash?

If the smart host is unreachable, dma queues the mail and tries to
redeliver it several times.  If a final timeout is reached the
postmaster gets a failure notice.  During all steps the mail is stored
on persistent storage, thus dma can redeliver the mail after a system
crash.

Regards

	Matthias