I think he could send mail to the tajen.edu.tw domain, as long as his
mail server IP address doesn't match the tajen.edu.tw MX IP itself.
He's using WINS only and uses external DNS servers.
I see options for keeping the address AND mailing tajen.edu.tw

;-)

Seriously: I would change IP ranges ASAP.

Michel

> -----Original Message-----
> From: Ed Crowley [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, March 04, 2003 5:35 PM
> To: Exchange Discussions
> Subject: RE: Internet mail taking an obscure extra step?
> 
> 
> Yes, or you'll never be able to send mail to tajen.edu.tw!
> 
> Ed Crowley MCSE+Internet MVP
> Freelance E-Mail Philosopher
> Protecting the world from PSTs and Bricked Backups!T
> 
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Niki 
> Blowfield
> - Exchange
> Sent: Tuesday, March 04, 2003 8:27 AM
> To: Exchange Discussions
> Subject: RE: Internet mail taking an obscure extra step?
> 
> 
> So I guess the best thing to do is, as quick as possible, 
> move over to a 192.168 address range
> 
> 
> 
> -----Original Message-----
> From: Michel Erdmann [mailto:[EMAIL PROTECTED] 
> Sent: 04 March 2003 16:25
> To: Exchange Discussions
> Subject: RE: Internet mail taking an obscure extra step?
> 
> 
> 192.192.192.0 isn't a private range
> 
> RFC1918 states:
> 
>    The Internet Assigned Numbers Authority (IANA) has reserved the
>    following three blocks of the IP address space for private 
> internets:
> 
>      10.0.0.0        -   10.255.255.255  (10/8 prefix)
>      172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
>      192.168.0.0     -   192.168.255.255 (192.168/16 prefix)
> 
> I'm wondering why the remote servers doesn't block your mail, 
> because basically you are using them to relay. Must be 
> because the remote mail server sees your mail server as 
> 'local'.... (some quick relay testing for the tajen.edu.tw 
> domain show correctly configured relay
> restrictions)
> 
> Michel
> 
> > -----Original Message-----
> > From: Niki Blowfield - Exchange 
> [mailto:[EMAIL PROTECTED]
> > Sent: Tuesday, March 04, 2003 5:07 PM
> > To: Exchange Discussions
> > Subject: RE: Internet mail taking an obscure extra step?
> > 
> > 
> > I think I'm on to something
> > 
> > The network here is a privately addressed LAN,
> > mailgate.partition.co.uk resolves to the firewall, which 
> forwards port
> 
> > 25 to the exchange server
> > 
> > The LAN network address is 192.192.192.0/255.255.255.0 set 
> up before I
> 
> > arrived, I was a good engineer and gave the other subnets 
> 192.168.x.x
> > ranges
> > :)
> > 
> > 192.192.192.0 isnt a private range is it?
> > 
> > When I put one of our server addresses into an IPWHOIS search, this
> > tajen.edu.tw domain comes up as the owner
> > 
> > I guess I need to change the network address range here? Yuck
> > 
> > Anything else or a possible workaround? We are WINS only, 
> DNS servers
> > for internet access are at our ISP
> > 
> > thanks
> > 
> > 
> > -----Original Message-----
> > From: Niki Blowfield - Exchange
> > Sent: 04 March 2003 15:42
> > To: Exchange Discussions
> > Subject: RE: Internet mail taking an obscure extra step?
> > 
> > 
> > Roger
> > 
> > Sorry about that, just sent another email and generated the 
> following,
> 
> > you Can see the erroneuos .edu.tw domain here
> > 
> > ===================================
> >  
> >  This is the Outlook Options as viewed by the recipient
> >  
> > ===================================
> > 
> > Return-Path: <[EMAIL PROTECTED]>
> > Delivered-To: [EMAIL PROTECTED]
> > Received: from eratosthenes by eratosthenes with qmail-deliver  for
> > <[EMAIL PROTECTED]>; 4 Mar 2003 15:33:40 -0000
> > X-Apparently-To: [EMAIL PROTECTED]
> > X-Zen-Test-Header-Please-Ignore: [EMAIL PROTECTED]
> > X-Envelope-To: [EMAIL PROTECTED]
> > X-Envelope-From: [EMAIL PROTECTED]
> > X-Zen-Virusscan-Flag: zen12940 -> flag is unset
> > Received: (qmail 17356 invoked from network); 4 Mar 2003
> > 15:33:40 -0000
> > Received: from parmenides.zen.co.uk (212.23.8.69)
> >   by eratosthenes.zen.co.uk with QMTP; 4 Mar 2003 15:33:40 -0000
> > Received: (qmail 10266 invoked from network); 4 Mar 2003 
> > 15:33:40 -0000
> > Received: from mailgate.partition.co.uk (HELO webserv.local) 
> > (62.49.146.170)
> >   by parmenides.zen.co.uk with SMTP; 4 Mar 2003 15:33:40 -0000
> > X-Zen-Trace: 62.49.146.170
> > Received: by medmgmt-15.tajen.edu.tw with Internet Mail Service
> > (5.5.2650.21)
> >     id <G259C6KT>; Tue, 4 Mar 2003 15:34:41 -0000
> > Message-ID: 
> > <[EMAIL PROTECTED]>
> > From: Niki Blowfield <[EMAIL PROTECTED]>
> > To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
> > Subject: Test Message
> > Date: Tue, 4 Mar 2003 15:34:40 -0000 
> > MIME-Version: 1.0
> > X-Mailer: Internet Mail Service (5.5.2650.21)
> > Content-Type: multipart/alternative;
> >     boundary="----_=_NextPart_001_01C2E263.92B511D8"
> > 
> > ===================================
> >  
> >  And this is logged by the IMS in event viewer on the sending server
> >  
> > ===================================
> > 
> > Delivery of message
> > <[EMAIL PROTECTED]
> > w> from <[EMAIL PROTECTED]> in temporary file G259C6KT was
> > attempted to host(s) 212.23.8.69 (for zen.co.uk) with 1 recipients
> > delivered and 0 undliverable
> > 
> > 
> > 
> > -----Original Message-----
> > From: Roger Seielstad [mailto:[EMAIL PROTECTED]
> > Sent: 04 March 2003 15:26
> > To: Exchange Discussions
> > Subject: RE: Internet mail taking an obscure extra step?
> > 
> > 
> > Post one that hasn't been modified.
> > 
> > --------------------------------------------------------------
> > Roger D. Seielstad - MCSE
> > Sr. Systems Administrator
> > Inovis Inc.
> > 
> > 
> > > -----Original Message-----
> > > From: Niki Blowfield - Exchange
> > [mailto:[EMAIL PROTECTED]
> > > Sent: Tuesday, March 04, 2003 9:59 AM
> > > To: Exchange Discussions
> > > Subject: Internet mail taking an obscure extra step?
> > > 
> > > 
> > > Hi
> > > 
> > > Been asked to look at this for someone
> > > 
> > > Server is Exch 5.5 SP3 running on NT4 SP6a
> > > 
> > > Upon examining logs routinely, it seems outbound internet mail is
> > > going via another IMS at another company
> > > 
> > > The Edu.TW domain is nothing to do with us, and mail should
> > go direct
> > > from ourdomain.co.uk to recipientsdomain.com
> > > 
> > > I wont profess to being particularly well versed at reading mail
> > > headers, but could someone suggest what the hell is going on here?
> > > 
> > > Thanks;
> > > 
> > > ===================================
> > > 
> > > This is the Outlook Options as viewed by the recipient
> > > 
> > > ===================================
> > > 
> > > Return-Path: <[EMAIL PROTECTED]>
> > > Delivered-To: [EMAIL PROTECTED]
> > > Received: from ourexchangserver.local (mailgate.ourdomain.co.uk
> > > [111.111.111.111])
> > >  by mail.recipienstdomain.com (server) with ESMTP id
> > 48A0B92FF2  for
> > > <[EMAIL PROTECTED]>; Tue,  4 Mar 2003 12:00:39 +0000
> > > (GMT)
> > > Received: by someunknownserver.edu.tw with Internet Mail Service
> > > (5.5.2650.21)
> > >  id <G259C62B>; Tue, 4 Mar 2003 12:01:49 -0000
> > > Message-ID:
> > > <[EMAIL PROTECTED]>
> > > From: Senders Name <[EMAIL PROTECTED]>
> > > To: "'[EMAIL PROTECTED]'"
> > > <[EMAIL PROTECTED]>
> > > Subject: test
> > > Date: Tue, 4 Mar 2003 12:01:47 -0000
> > > MIME-Version: 1.0
> > > X-Mailer: Internet Mail Service (5.5.2650.21)
> > > Content-Type: multipart/alternative;  
> > > boundary="----_=_NextPart_001_01C2E245.D5A38C22"
> > > X-UIDL: 2HK!!/L!"!,pc!!ek\!!
> > > 
> > > ===================================
> > > 
> > > And this is logged by the IMS in event viewer on the 
> sending server
> > > 
> > > ===================================
> > > 
> > > Delivery of message
> > > 
> > > <[EMAIL PROTECTED]
> > > tw> from <[EMAIL PROTECTED]> in temporary file XXXXXXX
> > > was attempted to host(s) 111.111.111.111 (for
> > > recipientsdomain.com) with 1 recipients delivered and 0
> > undeliverable
> > > 
> > > _________________________________________________________________
> > > List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> > > Archives:               http://www.swynk.com/sitesearch/search.asp
> > > To unsubscribe:         mailto:[EMAIL PROTECTED]
> > > Exchange List admin:    [EMAIL PROTECTED]
> > > 
> > 
> > _________________________________________________________________
> > List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> > Archives:               http://www.swynk.com/sitesearch/search.asp
> > To unsubscribe:         mailto:[EMAIL PROTECTED]
> > Exchange List admin:    [EMAIL PROTECTED]
> > 
> > _________________________________________________________________
> > List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> > Archives:               http://www.swynk.com/sitesearch/search.asp
> > To unsubscribe:         mailto:[EMAIL PROTECTED]
> > Exchange List admin:    [EMAIL PROTECTED]
> > 
> > _________________________________________________________________
> > List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> > Archives:               http://www.swynk.com/sitesearch/search.asp
> > To unsubscribe:         mailto:[EMAIL PROTECTED]
> > Exchange List admin:    [EMAIL PROTECTED]
> > 
> 
> _________________________________________________________________
> List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> Archives:               http://www.swynk.com/sitesearch/search.asp
> To unsubscribe:         mailto:[EMAIL PROTECTED]
> Exchange List admin:    [EMAIL PROTECTED]
> 
> _________________________________________________________________
> List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> Archives:               http://www.swynk.com/sitesearch/search.asp
> To unsubscribe:         mailto:[EMAIL PROTECTED]
> Exchange List admin:    [EMAIL PROTECTED]
> 
> 
> _________________________________________________________________
> List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> Archives:               http://www.swynk.com/sitesearch/search.asp
> To unsubscribe:         mailto:[EMAIL PROTECTED]
> Exchange List admin:    [EMAIL PROTECTED]
> 

_________________________________________________________________
List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
Archives:               http://www.swynk.com/sitesearch/search.asp
To unsubscribe:         mailto:[EMAIL PROTECTED]
Exchange List admin:    [EMAIL PROTECTED]

Reply via email to