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> Error sending to one Domain, Mail Rejected
nick
Posted: Nov 5 2003, 09:07 AM
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I am getting mail rejected from one Domain, Can someone tell me if it is a DNS error or a Mail From syntax error or both, this seems the only Domain I cant send to, even AOL and Hot Mail are accepting mail from my server,
Thanks

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ErrCode = -5
ErrString = Timeout error
SMAIL SMTP-Send MX = "mail.nslm.co.uk." SMTP = "mail.cobranetworks.net" From = "keith@intis.co.uk" To = "kathy@nslm.co.uk" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "mail.nslm.co.uk."
>>
<<
ErrCode = -81
ErrString = [MAIL FROM:] not permitted by remote SMTP server
ErrInfo = 451 4.1.8 Domain of sender address keith@intis.co.uk does not resolve
SMAIL SMTP-Send MX = "smtp.netreach.co.uk." SMTP = "mail.cobranetworks.net" From = "keith@intis.co.uk" To = "kathy@nslm.co.uk" Failed !
SMTP-Error = "451 4.1.8 Domain of sender address keith@intis.co.uk does not resolve"
SMTP-Server = "smtp.netreach.co.uk."
>>
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atomant
Posted: Nov 5 2003, 09:41 AM
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No - I'm not an answering script ...
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There is a problem with DNS MX entry. Look how it is formed:
mail.nslm.co.uk.
the last dot is invalid. It should be: mail.nslm.co.uk

This is not xmail problem.


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nick
Posted: Nov 5 2003, 10:21 AM
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Thanks Atomant,
I thought the error looked like the recipients mail server was saying there was an error with a zone on my name server,
Is it possible you could explain the error to a DNS and Xmail Noob
Ta.
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atomant
Posted: Nov 5 2003, 10:26 AM
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No - I'm not an answering script ...
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Well I am no expert in DNS. I just know some basic stuff. sad.gif


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Sasa



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Windows: "Where do you want to go today?"
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FreeBSD: "Are you guys coming or what?"
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MayVortex
Posted: Nov 5 2003, 01:50 PM
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QUOTE (atomant @ Nov 5 2003, 09:41 AM)
the last dot is invalid. It should be: mail.nslm.co.uk

The last dot is valid smile.gif

QUOTE

This is not xmail problem.


Not XMail problem. This is the revers zone problem. Some mail servers try to resove from IP to HOST, and from HOST to IP. If U don't have reverse DNS zone, the mail server can't resolv your HOST name.

Try: nslookup your.ip.xx.xx - OK?
try again, but from http://www.all-nettools.com/tools1.htm (NSLookUp: your.ip.xx.xx) - do U see your hostname?

Reverse zone can be delegated by your ISP.
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nick
Posted: Nov 5 2003, 09:53 PM
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Yes my IP does resolve to my domain, but not to my client’s domain, this seems to be the norm out there so far as I can see,
There does seem to be a problem with the first MX for the recipients Domain, seems not to be available.
Regards.
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nick
Posted: Nov 5 2003, 10:23 PM
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hmm i do have a rev dns problem, wacko.gif
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