[syslinux] mailinglist delay
H. Peter Anvin
hpa at zytor.com
Fri May 1 13:29:40 PDT 2009
Geert Stappers wrote:
> Op 20090409 om 16:30 schreef Dag Wieers:
>> PS I takes a long time (more than 20mins) for a mail send to the list to
>> arrive in my mailbox. It could harm discussions when more people are
>> replying in that same window.
>
> FYI: Today an E-mail was five hours at zytor.com, from its headers:
>
> Received: from terminus.zytor.com ([198.137.202.10])
> by mailx.d-server.nl with esmtps (TLSv1:AES256-SHA:256)
> (Exim 4.69)
> (envelope-from <syslinux-bounces at zytor.com>) id 1LzyLd-0005ue-B5
> for stappers at stappers.nl; Fri, 01 May 2009 21:24:45 +0200
> Received: from terminus.zytor.com (mailman at localhost [127.0.0.1])
> by terminus.zytor.com (8.14.3/8.14.2) with ESMTP id n41HP6nO030059;
> Fri, 1 May 2009 10:25:33 -0700
> Received: from gpm.stappers.nl (gpm.stappers.nl [213.84.119.166])
> by terminus.zytor.com (8.14.3/8.14.2) with ESMTP id n41CWONm001561
> for <syslinux at zytor.com>; Fri, 1 May 2009 05:33:26 -0700
> Received: by gpm.stappers.nl (Postfix, from userid 1000)
> id C515D79492; Fri, 1 May 2009 14:32:26 +0200 (CEST)
> Date: Fri, 1 May 2009 14:32:26 +0200
>
This is because terminus.zytor.com still use sendmail as the MTA.
sendmail tries to deliver each mail to each recipient serially, which
means that if there is a hanging server somewhere it can take a very
long time. Unfortunately the Syslinux mailing list is large enough that
there generally *will* be someone whose server is broken at any time...
I don't really see myself having time to set up a new MTA (and porting
all the local configuration hacks over) any time soon, though.
-hpa
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