From owner-freebsd-isp Thu Dec 14 8:54:33 2000 From owner-freebsd-isp@FreeBSD.ORG Thu Dec 14 08:54:30 2000 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from kira.epconline.net (kira.epconline.net [209.83.132.2]) by hub.freebsd.org (Postfix) with ESMTP id 2C32B37B402 for ; Thu, 14 Dec 2000 08:54:30 -0800 (PST) Received: from therock (betterguard.epconline.net [209.83.132.193]) by kira.epconline.net (8.11.1/8.11.1) with SMTP id eBEGsTe22824 for ; Thu, 14 Dec 2000 10:54:29 -0600 (CST) (envelope-from carock@epconline.net) From: "Chuck Rock" To: Subject: RE: sendmail NOQUEUE: Null connection from some.domain [a.b.c.d] Date: Thu, 14 Dec 2000 10:55:48 -0600 Message-ID: <004701c065ee$b53539c0$1805010a@epconline.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Importance: Normal Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org These messages pop up in my logs from my SNMP machine monitoring the status of my mail server. Someone at some.domain [a.b.c.d] may be using SNMP to monitor your mailserver for up and down status. > -----Original Message----- > From: owner-freebsd-isp@FreeBSD.ORG > [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of Aaron Jackson > Sent: Wednesday, December 13, 2000 4:23 PM > To: mdickerson@officeonweb.net > Cc: freebsd-isp@FreeBSD.ORG > Subject: Re: sendmail NOQUEUE: Null connection from some.domain > [a.b.c.d] > > > Most likely Outlook is using a ms "feature" that is causing this. I have > seen this problem when clients were set to to secure connections but the > server wasn't. > > Aaron > > On Wed, 13 Dec 2000 mdickerson@officeonweb.net wrote: > > > I apologize that this is more of a sendmail question but I > thought someone > > here might know this one. > > > > We have a client that is unable to send out mail. > > He is connecting to the server (though not able to send mail) but I find > > this error in the logfile: > > > > Dec 13 08:53:51 ns1 sendmail[29411]: NOQUEUE: Null connection from > > some.domain [a.b.c.d] > > > > This is a solo entry (no other related lines in the logfile). > > > > Eratta: > > He uses Outlook. > > He uses Qwest DSL (static ip: a.b.c.d). > > We use a pop before smtp auth which works fine for our other clients. > > > > The sendmail site suggests: > > "If it happens very often, it's either someone playing around or it's a > > network problem." > > Unfortunately, this is only mildy illuminating :/. > > > > Does anyone know what is causing this or how to resolve this issue? > > > > TIA, > > > > Mike Dickerson > > OfficeOnWeb.net > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-isp" in the body of the message > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message