Mike Mitchell:
> The first issue I know is being reported is seemingly a throttling
> of submissions to the server--we can send about 50, then we're
> made to wait almost exactly 6 seconds, then we can send about 50
> more.
This is a built-in safety feature.
If a client were allowed to flood Postfix with messages, then Postfix
would deliver ZERO MAIL until the client stops sending. Many people
would find that unacceptable.
To avoid this, the Postfix SMTP server inserts delays when the mail
inflow exceeds the mail outflow. This is not a stiff coupling, it
allows for slippage, as common sense would require.
Wietse
