Re: Problem in sending mail from local SMTP service
From: Dennis Black (db_at_dbnospam.com)
Date: 03/04/05
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Date: Fri, 04 Mar 2005 17:44:22 -0500
Pradeep,
Try the following.
1. Open up a DOS window on your Win2k machine
2. Type the following command
nslookup -querytype=mx yahoo.com
This is what I get on my machine when I do this
Server: home8-qwest.bellatlantic.net
Address: 151.204.0.84
Non-authoritative answer:
yahoo.com MX preference = 1, mail exchanger = mx1.mail.yahoo.com
yahoo.com MX preference = 1, mail exchanger = mx2.mail.yahoo.com
yahoo.com MX preference = 1, mail exchanger = mx3.mail.yahoo.com
yahoo.com MX preference = 5, mail exchanger = mx4.mail.yahoo.com
yahoo.com nameserver = ns2.yahoo.com
yahoo.com nameserver = ns3.yahoo.com
yahoo.com nameserver = ns4.yahoo.com
yahoo.com nameserver = ns5.yahoo.com
yahoo.com nameserver = ns1.yahoo.com
mx1.mail.yahoo.com internet address = 67.28.113.10
mx1.mail.yahoo.com internet address = 67.28.113.11
mx1.mail.yahoo.com internet address = 64.157.4.78
If you don't get a similar result, try changing your DNS server on the
machine.
Pradeep wrote:
> Hi,
>
> Thanks for ur help, that problem is solved but now I am
> able to send mails on gmail.com but on Yahoo.com &
> mail.com its giving following error....
>
> "Message delivery to the remote domain 'yahoo.com' failed
> for the following reason: An SMTP protocol error occurred."
>
> Please help me out.
>
> TIA
>
> Pradeep
>
>
>>-----Original Message-----
>>On Tue, 1 Mar 2005 20:58:56 -0800, "Pradeep"
>
> <s.pradeep79@gmail.com>
>
>>wrote:
>>
>>
>>>Hi
>>>
>>>What do you mean dump question!!! In this newsgroup there
>>>are many topics posted askin the same question but no
>
> one
>
>>>has given proper solution.
>>
>>Sorry for the confusion. I didn't mean *your* question
>
> was dumb, I
>
>>meant that *mine* might be. Checking name resolution in
>
> DNS when you
>
>>recieve an error stating that a DNS error caused the
>
> problem would be
>
>>an obvious first step, but you didn't say you had done
>
> that. So my
>
>>asking may seem "dumb" because it's so obvious.
>>
>>
>>>And about DNS name resolution, I am connected to
>
> interent
>
>>>thru DHCP. And when i specify DNS Server then its giving
>>>following exception:
>>>
>>>"System.Runtime.InteropServices.COMException: The
>>>transport failed to connect to the server"
>>
>>I'm not sure what you mean when you say you "specify DNS
>
> server".
>
>>Every system should have a DNS server specified, either a
>
> manually
>
>>entered on or one assigned by DHCP. The key is whether
>
> or not that
>
>>DNS server is resolving addresses correctly for the
>
> message to be sent
>
>>to the destination. Tools such as NSLookup can help
>
> determine if your
>
>>system can find the destination SMTP server as a valid MX
>
> record.
>
>>But the above error is less a DNS one than a connectivity
>
> one I
>
>>suspect. Does your ISP block port 25? Can you post the
>
> full event
>
>>log error with the event ID and source? Is there a
>
> record in the SMTP
>
>>log that might indicate what's happening?
>>
>>My guess in your original error is that the system didn't
>
> get a valid
>
>>resolution of a destination MX record. Then when the
>
> SMTP server
>
>>retried, the record was properly retrieved and the
>
> message got
>
>>through. Not unusual unless it happens routinely, but it
>
> may indicate
>
>>a network connectivity issue or intermittent connectivity.
>>
>>Jeff
>>
>>
>>
>>
>>>Please help
>>>
>>>TIA
>>>
>>>Pradeep
>>>
>>>
>>>>-----Original Message-----
>>>>On Tue, 1 Mar 2005 04:07:03 -0800, "Pradeep"
>>>
>>><s.pradeep79@gmail.com>
>>>
>>>>wrote:
>>>>
>>>>
>>>>>I am using IIS/SMTP Service on Windows 2000
>
> professional
>
>>>>>for sending email, it was working fine on Windows XP
>>>>>Professional and on this it is not giving any error
>>>>>message but In Event Viewer its giving follwing
>
> warning.
>
>>>>>'Message delivery to the remote domain 'yahoo.com'
>>>
>>>failed
>>>
>>>>>for the following reason:
>>>>>An internal DNS error caused a failure to find the
>>>
>>>remote
>>>
>>>>>server.'
>>>>>
>>>>>I have allowed relay on this system. and also checked
>>>
>>>basic
>>>
>>>>>authentication.
>>>>>
>>>>>And message remains in queue.
>>>>>
>>>>>Please help me out.
>>>>
>>>>Dumb question probably, but did you actually check DNS
>>>
>>>name resolution
>>>
>>>>to make sure you can get to the destination server?
>>>>
>>>>Jeff
>>>>.
>>>>
>>
>>.
>>
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