Date: Fri, 15 Dec 2000 14:23:46 +0100 (CET) From: Alexander Leidinger <Alexander@Leidinger.net> To: jyoung@accessus.net Cc: freebsd-isp@FreeBSD.ORG, mdickerson@officeonweb.net Subject: Re: sendmail NOQUEUE: Null connection from some.domain [a.b.c.d] Message-ID: <200012151323.eBFDNmT93345@Magelan.Leidinger.net> In-Reply-To: <NEBBIHDFEDCADAEBJEKAOEFFCJAA.jyoung@accessus.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On 14 Dec, Jason Young wrote:
>
> A "null connection" is when sendmail gets a connection to its TCP port, and
> sends its banner, and the remote client either A) closes the connection
> without doing anything or B) issues only the QUIT command, which closes the
> sendmail connection immediately.
There's als a C):
If MS Exchange Ver ? tries to deliver mail to a 3-stable (sendmail)
machine. It's reproduceable (here), the mail didn't gets delivered,
sendmail reports a null connection. I'm not able to tell you more about
the configuration of Exchange, it's not our system.
Bye,
Alexander.
--
Speak softly and carry a cellular phone.
http://www.Leidinger.net Alexander @ Leidinger.net
GPG fingerprint = 7423 F3E6 3A7E B334 A9CC B10A 1F5F 130A A638 6E7E
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-isp" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200012151323.eBFDNmT93345>