[THIN] Re: OT: very wierd email problem
- From: Michael Boggan <MBoggan@xxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Thu, 25 Mar 2004 10:07:51 -0600
This is true. But if I go to my hotmail.com account, and send them email.
They get it. How can this be. It makes NO sense at all.
> _________________________________
>
> Michael Boggan
> Network Engineer/Citrix Admin
> Virtual Desktop Inc.
> Dallas, Texas
> Ph: (972) 960-6400
> Fax: (972) 960-6445
> email: mboggan@xxxxxxxxxxx
> http://www.virtualdesktopinc.com
> _________________________________
>
-----Original Message-----
From: Ryan Lambert [mailto:rlambert@xxxxxxxxxxxxxxx]
Sent: Thursday, March 25, 2004 9:28 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT: very wierd email problem
Michael,
Because no mx exists.
http://www.dnsreport.com/tools/dnsreport.ch?domain=3Dhtdlaw.com
-----Original Message-----
From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]=20
Sent: Thursday, March 25, 2004 10:17 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: OT: very wierd email problem
Ok. I have reverse dns setup for my mail server at vdimail.com. I try
sending to the email address at htdlaw.com and it still will not go. My
mail goes through trend viruswall so I can see it on the screen when it goes
through. Normally it will process the mail then report message forwarded to
whatever server at whatever domain, but with this one it just processes the
message but doesn't send it. If you look in the queued message file, it
gives a message about unknown domain or address. It CAN'T find an mx record
for the domain. This is really driving me nuts. Any other suggestions?
> _________________________________=20
>=20
> Michael Boggan
> Network Engineer/Citrix Admin
> Virtual Desktop Inc.=20
> Dallas, Texas=20
> Ph: (972) 960-6400=20
> Fax: (972) 960-6445=20
> email: mboggan@xxxxxxxxxxx=20 http://www.virtualdesktopinc.com=20
> _________________________________=20
>=20
-----Original Message-----
From: Henry Sieff [mailto:hsieff@xxxxxxxxxxxx]=20
Sent: Wednesday, March 24, 2004 4:17 PM
To: Michael Boggan
Subject: RE: [THIN] Re: OT: very wierd email problem
OK, like I said, first thing is to have your ISP delegate the
in-addr.arpa
space for your IP block to your ns's. After that, creating a ptr is
pretty
easy in win2k, if memory serves me correctly (I us BIND for DNS, which
is
all config file based, but I have at least one machine set up with
Win2K's
DNs if you need a hand there.
> -----Original Message-----
> From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]
> Sent: Wednesday, March 24, 2004 2:35 PM
> To: 'Henry Sieff'
> Subject: RE: [THIN] Re: OT: very wierd email problem
>=20
>=20
> Yeah.
>=20
> > _________________________________
> >=20
> > Michael Boggan
> > Network Engineer/Citrix Admin
> > Virtual Desktop Inc.
> > Dallas, Texas=20
> > Ph: (972) 960-6400=20
> > Fax: (972) 960-6445=20
> > email: mboggan@xxxxxxxxxxx=20
> > http://www.virtualdesktopinc.com=20
> > _________________________________=20
> >=20
>=20
>=20
> -----Original Message-----
> From: Henry Sieff [mailto:hsieff@xxxxxxxxxxxx]
> Sent: Wednesday, March 24, 2004 1:56 PM
> To: Michael Boggan
> Subject: RE: [THIN] Re: OT: very wierd email problem
>=20
>=20
> You're using Win2K's built in DNS stuff?
>=20
> > -----Original Message-----
> > From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]
> > Sent: Wednesday, March 24, 2004 11:04 AM
> > To: 'Henry Sieff'
> > Subject: RE: [THIN] Re: OT: very wierd email problem
> >=20
> >=20
> > Yes those name servers are on our network. We control them.
> >=20
> > > _________________________________
> > >=20
> > > Michael Boggan
> > > Network Engineer/Citrix Admin
> > > Virtual Desktop Inc.
> > > Dallas, Texas
> > > Ph: (972) 960-6400=20
> > > Fax: (972) 960-6445=20
> > > email: mboggan@xxxxxxxxxxx=20
> > > http://www.virtualdesktopinc.com=20
> > > _________________________________=20
> > >=20
> >=20
> >=20
> > -----Original Message-----
> > From: Henry Sieff [mailto:hsieff@xxxxxxxxxxxx]
> > Sent: Wednesday, March 24, 2004 10:29 AM
> > To: Michael Boggan
> > Subject: RE: [THIN] Re: OT: very wierd email problem
> >=20
> >=20
> > The first step is to contact whoever provided you with your
> IP address
> > space, which looks like SBC, and ask them to delegate
> authority of the
> > rDNS space, or in-addr.arpa space corresponding to your netblock to=20
> > you your name
> > servers:
> > dns1.vdesktop.net.
> > dns2.vdesktop.net.
> >=20
> > Then, you'll need to set up 230.173.216.in-addr.arpa rDNS zone on=20
> > those two ns's. I can give you a hand with that if you have
> > administrative control of
> > both of those name servers. I can also tell you what you need=20
> > to ask for if
> > you do not have administrative control.
> >=20
> > As someone else pointed out, this immediate problem could also be=20
> > caused by some discrepencies in the records for that domain,=20
> > although
> a properly
> > configured resolver should still be able to find the mx
> > record (provided its
> > cache of root name servers is current).
> >=20
> > Either way, rDNS entries are important, and everyone should
> have them
> > configured.
> >=20
> > So, I guess the big question is, who manages the NS's?
> >=20
> > Henry
> >=20
> > > -----Original Message-----
> > > From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]
> > > Sent: Wednesday, March 24, 2004 10:09 AM
> > > To: 'Henry Sieff'
> > > Subject: RE: [THIN] Re: OT: very wierd email problem
> > >=20
> > >=20
> > > Ok thanks. I am not very DNS savvy. I know the basics
> and that's
> > > about it. Any idea how I do what you are refering to in windows
> > > 2000 dns?
> > >=20
> > > Thanks,
> > >=20
> > > > _________________________________
> > > >=20
> > > > Michael Boggan
> > > > Network Engineer/Citrix Admin
> > > > Virtual Desktop Inc.
> > > > Dallas, Texas
> > > > Ph: (972) 960-6400
> > > > Fax: (972) 960-6445=20
> > > > email: mboggan@xxxxxxxxxxx=20
> > > > http://www.virtualdesktopinc.com=20
> > > > _________________________________=20
> > > >=20
> > >=20
> > >=20
> > > -----Original Message-----
> > > From: Henry Sieff [mailto:hsieff@xxxxxxxxxxxx]
> > > Sent: Wednesday, March 24, 2004 10:07 AM
> > > To: 'thin@xxxxxxxxxxxxx'
> > > Subject: [THIN] Re: OT: very wierd email problem
> > >=20
> > >=20
> > > I just checked both of your domains; for your mail server on each
> > > one you lack a rDNS ptr record. Many mail servers out there are
> > > configured to just
> > > dump mail which comes from servers w/o a rDNS PTR. Fix it,=20
> > > and I'd wager the
> > > problem with that domain (and probably others you don't know=20
> > > about) will go
> > > away.
> > >=20
> > >=20
> http://www.dnsreport.com/tools/dnsreport.ch?domain=3DPrairietitle.com
> > > http://www.dnsreport.com/tools/dnsreport.ch?domain=3Dvdimail.com
> > >=20
> > > Henry
> > >=20
> > > > -----Original Message-----
> > > > From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]
> > > > Sent: Wednesday, March 24, 2004 9:51 AM
> > > > To: 'thin@xxxxxxxxxxxxx'
> > > > Subject: [THIN] Re: OT: very wierd email problem
> > > >=20
> > > >=20
> > > > Well we have 2 different domains trying it.
> > Prairietitle.com and I
> > > > tried from my server which is vdimail.com
> > > >=20
> > > > > _________________________________
> > > > >=20
> > > > > Michael Boggan
> > > > > Network Engineer/Citrix Admin
> > > > > Virtual Desktop Inc.
> > > > > Dallas, Texas
> > > > > Ph: (972) 960-6400
> > > > > Fax: (972) 960-6445
> > > > > email: mboggan@xxxxxxxxxxx=20
> > > > > http://www.virtualdesktopinc.com=20
> > > > > _________________________________=20
> > > > >=20
> > > >=20
> > > >=20
> > > > -----Original Message-----
> > > > From: Henry Sieff [mailto:hsieff@xxxxxxxxxxxx]
> > > > Sent: Tuesday, March 23, 2004 9:36 PM
> > > > To: 'thin@xxxxxxxxxxxxx'
> > > > Subject: [THIN] Re: OT: very wierd email problem
> > > >=20
> > > >=20
> > > > Well, ns1.swbell.net has them:
> > > > =
http://www.dnsstuff.com/tools/lookup.ch?name=3Dhdtlaw.com&type=3DMX
> > > >=20
> > > > and at your mail server, you are recursing to it:
> > > > http://www.menandmice.com/cgi-bin/DoDig?host=3Ddns1.vdesktop.net
> > > > .&domain=3Dhdtla
> > > > w.com&type=3DMX&recur=3Don
> > > >=20
> > > > so I don't know. What is the domain that is having trouble
> > > sending to
> > > > hdtlaw.com?
> > > >=20
> > > > > -----Original Message-----
> > > > > From: Michael Boggan [mailto:MBoggan@xxxxxxxxxxx]
> > > > > Sent: Tuesday, March 23, 2004 4:49 PM
> > > > > To: 'THIN@xxxxxxxxxxxxx'
> > > > > Subject: [THIN] OT: very wierd email problem
> > > > >=20
> > > > >=20
> > > > > Here goes. I have a user sending an email to htdlaw.com. =20
> > > > > The recipient
> > > > > never recieves the email, but does recieve emails from
> > > > other people,
> > > > > including one i sent her from a hotmail account. When i do an
> > > > > nslookup it says no MX record exists. I then check
> > > > dnsstuff.com and
> > > > > it says no MX record exists. I know that is why we
> > can't send her
> > > > > mail, but how is she receiving other emails? Anyone
> > ideas. I am
> > > > > baffled.
> > > > >=20
> > > > > > _________________________________
> > > > > >=20
> > > > > > Michael Boggan
> > > > > > Network Engineer/Citrix Admin
> > > > > > Virtual Desktop Inc.
> > > > > > Dallas, Texas
> > > > > > Ph: (972) 960-6400
> > > > > > Fax: (972) 960-6445
> > > > > > email: mboggan@xxxxxxxxxxx
> > > > > > <http://www.virtualdesktopinc.com>=20
> > > > > > _________________________________=20
> > > > > >=20
> > > > > ********************************************************
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