Re: Sendmail flags
- From: Andrzej Adam Filip <anfi@xxxxxxxxxxxx>
- Date: 27 Aug 2005 23:13:00 +0200
Kari Hurtta <hurtta@xxxxxxxxxxxxxxxxx> writes:
> Peter Honka <fossy@xxxxxxxxxxxxx> writes:
>
> > Hi,
> >
> > i have a perlscript that has to send
> > a few hundred mails. In a posting I
> > read here but can not find any more
> > that it is possible to give sendmail
> > a flag so that not all the mails are
> > send at once but where queued first and
> > than send step by step. I checked
> > "man sendmail" but there I find so many
> > option and do not know which one is
> > importand for me.
> >
> > Has somebody an idea?
> >
> > Regards
> > Peter
>
> -odq
I sendmai-8.12 -odq will make sendmail store submitted messages in
client queue. The messages will be passed via SMTP to main sendmail
daemon (127.0.0.1:25) at next client queue run.
*BUT*
The main sendmail daemon uses by default backgroud delivery mode
http://www.sendmail.org/~ca/email/doc8.12/TUNING
The first (background) offers the lowest latency without the
disadvantage of the second, which keep the connection from the sender
open until the delivery to the next hop succeeded or failed. However,
it does not allow for a good control over the number of delivery
processes other than limiting the total number of direct children of the
daemon processes (MaxChildren) or by load control options (RefuseLA,
DelayLA). Moreover, it can't make as good use as 'queue' mode can for
connection caching.
BTW -odd would be better than -odq (no DNS lookups)
--
Andrzej [en:Andrew] Adam Filip anfi@xxxxxxxxxxxx anfi@xxxxxxxx
http://www.sendmail.org/faq/ http://anfi.homeunix.net/sendmail/
.
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