Since it does not appear to be DNS you should isolate network/IMAIL
problems. Can you telnet to port 25 of destination address from your IMAIL
server? If yes you have IMAIL troubles, If no you have Network troubles. I
do not mean to oversimplify as you may have already tried this, but I always
believe in cutting things in half until I find the problem.
-V
----- Original Message -----
From: Paul Sinclair <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, July 24, 1999 8:28 AM
Subject: RE: [IMail Forum] "MX Connect Fail" driving me postal
> Will,
>
> Thanks for your suggestion about checking the DNS to see if that is
causing
> my "MX Connect Fail" errors.
>
> I just checked in my log files to see if the IP addresses that iMail is
> contacting for delivery of mail are correct. They seem to be. For
instance,
> doing an nslookup on erols.com using its primary name server
> (domain01.dns.erols.net) shows the following:
>
> erols.com MX preference = 100, mail exchanger = mx05.erols.com
> erols.com MX preference = 100, mail exchanger = mx06.erols.com
> erols.com MX preference = 100, mail exchanger = mx01.erols.com
> erols.com MX preference = 100, mail exchanger = mx02.erols.com
> erols.com MX preference = 100, mail exchanger = mx03.erols.com
> erols.com MX preference = 100, mail exchanger = mx04.erols.com
> erols.com internet address = 216.164.100.159
> erols.com nameserver = domain01.dns.erols.net
> erols.com nameserver = domain02.dns.erols.net
> erols.com nameserver = offsite01.dns.erols.net
> domain01.dns.erols.net internet address = 207.172.3.20
> domain02.dns.erols.net internet address = 207.172.3.21
> offsite01.dns.erols.net internet address = 206.138.112.20
> mx05.erols.com internet address = 207.172.3.245
> mx06.erols.com internet address = 207.172.3.248
> mx01.erols.com internet address = 207.172.3.241
> mx02.erols.com internet address = 207.172.3.242
> mx03.erols.com internet address = 207.172.3.243
> mx04.erols.com internet address = 207.172.3.244
>
>
> In the example from my iMail log that I included in my message, it shows:
>
>
> 07:22 23:51 SMTP-(000001CE) Trying erols.com (0)
> 07:22 23:52 SMTP-(000001CE) MX connect fail "207.172.3.245"
> 07:22 23:53 SMTP-(000001CE) MX connect fail "207.172.3.248"
> 07:22 23:53 SMTP-(000001CE) MX connect fail "207.172.3.241"
> 07:22 23:54 SMTP-(000001CE) MX connect fail "207.172.3.242"
> 07:22 23:55 SMTP-(000001CE) MX connect fail "207.172.3.243"
> 07:22 23:56 SMTP-(000001CE) MX connect fail "207.172.3.244"
>
>
> So iMail went right through the list of MX preferences for the erols.com
> domain and couldn't make a connection with ANY of 6 equally weighted mail
> servers.
>
> The same is true of several other mail deliveries that were attempted
> unsuccessfully: when I check the DNS records, the MX records show up the
> same as listed in my iMail logs. So it seems like iMail has the proper
> addresses to connect to, but just can't connect.
>
> Maybe I am misunderstanding your reference to DNS as a source of the
problem
> though. Thanks if you have a chance to get back on this.
>
> Paul Sinclair
>
>
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Will Hall
> > Sent: Saturday, July 24, 1999 1:09 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [IMail Forum] "MX Connect Fail" driving me postal
> >
> >
> > Have you contacted your ISP to see if they have made any changes to
> > their DNS settings. Or if you know how their DNS was setup do and
> > NSLOOKUP and make sure they are accurate..
> >
> >
> >
> > Paul Sinclair wrote:
> > >
> > > I'm having a run-in with my outgoing mail as described in an
> > earlier message
> > > I sent to the list. So far I haven't solved it. It is driving
> > me nuts trying
> > > to figure out why my iMail 5.0 server - after 5 months running
> > without any
> > > problems - is now unable to send outgoing mail.
> > >
> > > Every outgoing mail delivery is now resulting in errors, for example:
> > >
> > > 07:22 23:51 SMTP-(000001CE) Trying erols.com (0)
> > > 07:22 23:52 SMTP-(000001CE) MX connect fail "207.172.3.245"
> > > 07:22 23:53 SMTP-(000001CE) MX connect fail "207.172.3.248"
> > > 07:22 23:53 SMTP-(000001CE) MX connect fail "207.172.3.241"
> > > 07:22 23:54 SMTP-(000001CE) MX connect fail "207.172.3.242"
> > > 07:22 23:55 SMTP-(000001CE) MX connect fail "207.172.3.243"
> > > 07:22 23:56 SMTP-(000001CE) MX connect fail "207.172.3.244"
> > > 07:22 23:56 SMTP-(000001CE) Stack connect fail "216.164.100.159"
> > > 07:22 23:56 SMTP-(000001CE) Trying mediaone.net (0)
> > > 07:22 23:57 SMTP-(000001CE) MX connect fail "24.128.1.118"
> > > 07:22 23:58 SMTP-(000001CE) MX connect fail "24.128.1.114"
> > >
> > > The server was delivering fine up until roughly 9:30 Thursday
> > morning. At
> > > that
> > > time I did a stop/restart of the system after trying to set up a
virtual
> > > host based on an external user database. I was having some
> > trouble getting
> > > the external database host set up and thought I needed to
stop/restart.
> > >
> > > Other than this external database host I was trying to configure I
don't
> > > recall making any changes in my system that would cause these
> > "MX Connect
> > > Fail" errors.
> > >
> > > Thanks for any ideas on what to look at to solve this problem.
> > >
> > > Paul Sinclair
> > >
> > > Please visit http://www.ipswitch.com/support/mailing-lists.html
> > > to be removed from this list.
> >
> > --
> > Will Hall
> >
> > C. W. Networks
> > 5695 East Brook Court
> > P.O. Box 504
> > Monticello, IN.
> > 47960
> >
> > (219) 583-6860
>
> Please visit http://www.ipswitch.com/support/mailing-lists.html
> to be removed from this list.
>
Please visit http://www.ipswitch.com/support/mailing-lists.html
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