On 8/10/2010 9:31 AM, Tony Finch wrote:
In my experience mailers don't do delivery during the incoming SMTP
conversation, which sounds like a significant change relative to the
problematic mailers of the late 1980s.
As I recall, delivermail didn't do queuing. So, yes, the delivery attempt was
Sendmail behaved the same way, for a first attempt, and did queuing only if that
MMDF always did queuing first, spawning a delivery attempt afterward.
(Submission and delivery were independent Unix processes.)