On Fri, Jan 02, 2009 at 04:16:26PM -0500, Jason Welsh wrote:
>
>
> Wietse Venema wrote:
> >>Jan 2 16:04:57 ohs postfix/smtp[18389]: B08B018A00:
> >>to=<someu...@monsterjam.org>,
> >>relay=outgoing.verizon.net[206.46.232.12]:25, delay=0.89,
> >>delays=0.08/0.28/0.35/0.17, dsn=2.5.0, status=sent (250 2.5.0 Ok.)
> >>Jan 2 16:04:57 ohs postfix/qmgr[18371]: B08B018A00: removed
> >>Jan 2 16:05:12 ohs postfix/smtp[18389]: E50B018A02:
> >>to=<someu...@gmail.com>, relay=outgoing.verizon.net[206.46.232.12]:25,
> >>delay=15, delays=0.24/11/0.34/4.4, dsn=2.5.0, status=sent (250 2.5.0 Ok.)
> >>Jan 2 16:05:12 ohs postfix/smtp[18389]: E50B018A02:
> >>to=<someu...@yahoo.com>, relay=outgoing.verizon.net[206.46.232.12]:25,
> >>delay=15, delays=0.24/11/0.34/4.4, dsn=2.5.0, status=sent (250 2.5.0 Ok.)
> >>Jan 2 16:05:12 ohs postfix/qmgr[18371]: E50B018A02: removed
> >>
> >>so there WAS a delay after the first one, but the second two seemed to go
> >>out together..
> >>so we are making progress.. i think.. ;)
> >>
> >
> >The second message has TWO RECIPIENTS.
> >
> >Postfix inserts 10s delay between MESSAGE deliveries not RECIPIENTS.
>
> well, right, like I said, this is from a mailman mailing list , and
> there are 3 remote recipients in the list. But in the real list I want
> to implement, there are hundreds at various addresses and I would like
> to throttle ALL outgoing deliveries if I can. I guess best case scenario
> now is to serialize the delivery process somehow.
Postfix will send 50 recipients at a time by default. Does the ISP
mandate a lower number of recipients per message? Sending more messages
with fewer recipients each is certainly not helpful to the ISP. Whatever
you set the smtp_destination_recipient_limit to, don't make it 1.
If you really want to get one recipient per message, consider using VERP,
a good idea with lists anyway.
--
Viktor.
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