On Mon, Jan 30, 2012 at 02:33:53PM -0800, Peter Scott wrote: > Sending mail via Amazon happens via piping it to a program that > makes an HTTP connection. This takes about 0.5 seconds.
Postfix is a SMTP-Server/-Client, no HTTP-Client. > We have a > high volume of mail that needs to be delivered at a rate of at least > 10 messages per second, and our Amazon account supports up to 90/s. Postfix themself can easily handle this rate over SMTP. > Amazon says that concurrency is the > way to increase the rate: make multiple simultaneous connections. You are confused. Postfix uses multiple SMTP-Connections if there is enough mail. Bastian -- Oh, that sound of male ego. You travel halfway across the galaxy and it's still the same song. -- Eve McHuron, "Mudd's Women", stardate 1330.1