550 relaying denied ip name lookup failed

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550 5.7.1 relaying denied - IP name lookup failed

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Search forums. Log in. For a better experience, please enable JavaScript in your browser before proceeding. Thread starter pc Start date May 26, All our users have a problem to send mail to earthlink. Relaying denied. IP name lookup failed x. When using nslookup to query earthlink.

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Commented: If they tell you that you need to do this, then unless own the IP addresses which I doubt then they are wrong. Hmm, well I looked at the testing site and checked my own mail servers.

I would have been very annoyed if it would have worked since I have relaying blocked on all my servers. That is the error you are seeing--which is the same as what I got. The IP that you are seeing is the IP of the zoneedit server where you are doing the test and your server is rejecting it because it is not an allowed relay server. Any properly configured mail server should result in the same error: Now, as to the real issue.

I have had this issue before.

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The reverse is done as vjbfw. Rule of thumb is not to use capital letters in a host name. Author Commented: Is this significant in your eyes?


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Do you think it could be what is stopping email from getting to AOL , Earthlink and other domains? This probably won't cause any harm, but may be a technical violation of RFC 4. Thank you for your help. Find out now! That isn't unusual and is easily fixed. Joined Mar 11, Messages 25 0.


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  • I am having the worst time getting email to work on my machine. I know everyone suggests using postfix, but I've spent a lot of time trying to figure out sendmail and feel like I'm almost there. If postfix would be easier to set up from start to finish I'm not against that either but I don't know the first thing about postfix. Last edited: Apr 14, Delivery to the following recipient failed permanently: info andrewjohnston.

    Relaying denied. · Issue # · nodemailer/nodemailer · GitHub

    We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 5. Relaying denied state Easy Rhino Linux Advocate Staff member.

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    Joined Nov 13, Messages 14, 3.