On Thu, Jan 01, 2009 at 11:04:50PM -0500, ja...@monsterjam.org wrote:

> hey folks.. Im running the latest postfix on an ubuntu server with
> mailmain for mailing list management.. everything is pretty much working
> fine except that Im trying to get some kind of rate-limiting or
> throttling working for all outbound messages. Ive searched all over and
> found the smtpd -D and debugger_command = sleep 8
> but for some reason, this doesnt seem to work for mails sent out via a 
> mailing list with
> mailman.. I see emails getting relayed to my isp's smtp server one right
> after the other. Other settings I have been fooling with (in main.cf)
> are
> initial_destination_concurrency = 1
> default_destination_recipient_limit = 1
> default_destination_concurrency_limit = 1
> smtp_destination_concurrency_limit = 1

When you set the recipient limit to 1, concurrency is measured per
recipient, not per-nexthop. The solution is to not set the recipient
limit to 1. It is unlikely the ISP objects to say 10 (or even the
RFC required 100) recipients per delivery.

-- 
        Viktor.

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