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Relaying Denied

By choy.waigiat ·
When a outsider send mail to me, she receive an error mail that says the mail cannot be delivered. Below is the error :

The following addresses had permanent fatal errors <tara@jaygee.com.sg> (reason:550 5.7.1 <tara@jaygee.com.sg> relaying denied)

Transcript of session follows:

While talking to smtp.cyberway.com.sg
DATA
550 5.7.1 <tara@jaygee.com.sg> Relaying denied
550 5.1.1 <tara@jaygee.com.sg> User unknown
503 5.0.0 Need RCPT (recipient)

I'm using Exchange Server 5.5

Any idea what is wrong?

thanks and regards,

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by fred07 In reply to Relaying Denied

Hi and ,
You are not admin allowed or
Your ISP is having problems.
If your address is correct and on a single pc at home it is an ISP goof.
If you are on a net at work your admin may need to reset the settings to allow this email.
fred

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by BeerMonster In reply to Relaying Denied

Hi,
This basically means that the server smtp.cyberway.com.sg received the mail, but didn't recognise you as being an address it is responsible for. If a server is 'open relay', then in that situation it will forward the unrecognised mail on in an attempt to deliver it. This is a known hole that spammers use to distribute their rubbish, bombarding a mail server with addresses it doesn't own knowing that the mail server will forward them on. For this reason most mail admins forbid relaying mail on their server. So, the smtp.cyberway.com.sg server is saying

" This was delivered to me but I don't know who tara@jaygee.com.sg, moreover I can't try and relay this message on because relaying is not allowed on this server"

You need to talk to whoever hosts your mail about this, whether it's your company or an isp.

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by choy.waigiat In reply to Relaying Denied

This question was closed by the author

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