Problem in sending mail

Gregory Hicks ghicks at cadence.com
Mon Jan 24 23:55:39 UTC 2005 

> Date: Mon, 24 Jan 2005 15:41:19 -0800 (PST)
> From: Swapana Ghosh <swapana_ghosh at yahoo.com>
> Subject: Re: Problem in sending mail
> To: Gregory Hicks <ghicks>, bind-users at isc.org
> 
> Thanks.
> 
> I think TTL is more than what they said  to me. Anyway i will wait 
atleast 24
> hrs for the propagation.

ghicks-vpn% dig -x 206.251.242.139

; <<>> DiG 8.3 <<>> -x 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; QUERY SECTION:
;;	139.242.251.206.in-addr.arpa, type = ANY, class = IN

;; ANSWER SECTION:
139.242.251.206.in-addr.arpa.  17h8m50s IN PTR  
hindunet-hindunet_inc-206-251-242-139.webcc.net.

;; AUTHORITY SECTION:
242.251.206.in-addr.arpa.  16h46m40s IN NS  ns.adnc.com.
242.251.206.in-addr.arpa.  16h46m40s IN NS  ns2.adnc.net.

;; ADDITIONAL SECTION:
ns2.adnc.net.		1d18h26m6s IN A  206.251.228.24

;; Total query time: 54 msec
;; FROM: ghicks-vpn to SERVER: default -- 158.140.128.1
;; WHEN: Mon Jan 24 15:54:41 2005
;; MSG SIZE  sent: 46  rcvd: 171

TTL is very large... In this case, 17h8m50s ...


> 
> Thanks agian.
> -Swapna
> 
> --- Gregory Hicks <ghicks at cadence.com> wrote:
> 
> > 
> > > Date: Mon, 24 Jan 2005 15:09:23 -0800 (PST)
> > > From: Swapana Ghosh <swapana_ghosh at yahoo.com>
> > > Subject: Re: Problem in sending mail
> > > To: Kerry Thompson <kerry at security.geek.nz>, bind-users at isc.org
> > > 
> > > Thanks.
> > > 
> > > I have talked to our ISP. I have given few of our mailservers' ip 
and
> > domain ,
> > > just to start with. They created the Reverse/PTR with valid ip and 
name.
> > But
> > > still i am seeing that mail to the domain *vix.com* are rejected. 
> > 
> > Well...  If Paul had done a lookup on your address, it takes time 
for
> > the entry to "time-out" in his cache.  You and your ISP's servers 
may
> > have been updated, but it takes time for the rest of the world to 
catch
> > up...
> > 
> > Give him, say, 24 hours and try again.  I'm still getting this from 
my
> > stub resolver:
> > 
> > 139.242.251.206.in-addr.arpa	name = 
> > hindunet-hindunet_inc-206-251-242-139.webcc.net
> > 
> > Authoritative answers can be found from:
> > 242.251.206.in-addr.arpa	nameserver = ns.adnc.com
> > 242.251.206.in-addr.arpa	nameserver = ns2.adnc.net
> > ns2.adnc.net	internet address = 206.251.228.24
> > 
> > while my ISP gets this:  (This is the first lookup I did at my 
ISP...)
> > 
> > 139.242.251.206.in-addr.arpa	name = somnath.ghen.net
> > 242.251.206.in-addr.arpa	nameserver = ns.adnc.com
> > 242.251.206.in-addr.arpa	nameserver = ns2.adnc.net
> > 
> > I can tell you from experience that DNS, while it propagates changes
> > quickly, is not instantaneous.
> > 
> > Regards,
> > Gregory Hicks
> > 
> > > 
> > > Pl. suggest.
> > > 
> > > Thanks again
> > > -Swapna
> > > 
> > > --- Kerry Thompson <kerry at security.geek.nz> wrote:
> > > 
> > > > From here:
> > > > 
> > > > $ host 206.251.242.139
> > > > 139.242.251.206.in-addr.arpa domain name pointer
> > > >   hindunet-hindunet_inc-206-251-242-139.webcc.net.
> > > > 
> > > > $ host hindunet-hindunet_inc-206-251-242-139.webcc.net
> > > > Host hindunet-hindunet_inc-206-251-242-139.webcc.net not found:
> > 3(NXDOMAIN)
> > > > 
> > > > vix.com is possibly checking the reverse/PTR record, then doing 
a check
> > of
> > > > the forward record from that. If you could get your ISP to fix 
your
> > > > reverse ptr record so that it points to a valid forward record 
then all
> > > > should be well.
> > > > 
> > > > Kerry
> > > > 
> > > > 
> > > > Swapana Ghosh said:
> > > > > Hi ,
> > > > >
> > > > > I am having problem in sending mail to the domain *vix.com* 
,from our
> > > > > mail server IP,  206.251.242.148.
> > > > >
> > > > > Previously i faced problem to *aol.com* ,later on  found, that 
our ISP
> > did
> > > > > not
> > > > > create the *reverse ptr* for our IP block. They created later 
on and we
> > > > > could
> > > > > able to send the mails to aol.com . But now facing problem in 
sending
> > mail
> > > > > to
> > > > > the  *vix.com*.
> > > > >
> > > > > Here is the error message i am mentioning while it was 
rejected:
> > > > >
> > > > > __________________________________________________________
> > > > > @4000000041f51764157a023c delivery 6935599: failure:
> > > > >
> > > >
> > > 
> >
> 
204.152.187.1_does_not_like_recipient./Remote_host_said:_550_Client_host
_rejected:_ca
> > 
nnot_find_your_hostname,_[206.251.242.139]/Giving_up_on_204.152.187.1./
> > > > > __________________________________________________________
> > > > >
> > > > > Any pointer will be really appreciated.
> > > > >
> > > > > Thanks in advance.
> > > > > Swapna
> > > > >
> > > > 
> > > > 
> > > 
> > > 
> > > __________________________________________________
> > > Do You Yahoo!?
> > > Tired of spam?  Yahoo! Mail has the best spam protection around 
> > > http://mail.yahoo.com 
> > > 
> > > 
> > 
> > 
---------------------------------------------------------------------
> > Gregory Hicks                           | Principal Systems Engineer
> > Cadence Design Systems                  | Direct:   408.576.3609
> > 555 River Oaks Pkwy M/S 6B1             | Fax:      408.894.3479
> > San Jose, CA 95134                      | Internet: 
ghicks at cadence.com
> > 
> > I am perfectly capable of learning from my mistakes.  I will surely
> > learn a great deal today.
> > 
> > "A democracy is a sheep and two wolves deciding on what to have for
> > lunch.  Freedom is a well armed sheep contesting the results of the
> > decision." - Benjamin Franklin
> > 
> > "The best we can hope for concerning the people at large is that 
they
> > be properly armed." --Alexander Hamilton
> > 
> > 
> 
> 
> 
> 		
> __________________________________ 
> Do you Yahoo!? 
> The all-new My Yahoo! - Get yours free! 
> http://my.yahoo.com 
>  
> 

---------------------------------------------------------------------
Gregory Hicks                           | Principal Systems Engineer
Cadence Design Systems                  | Direct:   408.576.3609
555 River Oaks Pkwy M/S 6B1             | Fax:      408.894.3479
San Jose, CA 95134                      | Internet: ghicks at cadence.com

I am perfectly capable of learning from my mistakes.  I will surely
learn a great deal today.

"A democracy is a sheep and two wolves deciding on what to have for
lunch.  Freedom is a well armed sheep contesting the results of the
decision." - Benjamin Franklin

"The best we can hope for concerning the people at large is that they
be properly armed." --Alexander Hamilton

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