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Email Error Codes 5.1.2

You can call the recipient(s) or use the WHOIS tool of The Ultimate Troubleshooter. Solution 5: Make sure the NDR is related to a message you actually sent    If your Sent folder contains only messages you know you sent, then the NDR you received could This code may represent a permanent failure or a persistent transient failure. 3.4 Mail system status X.3.0 Other or undefined mail system status The destination system exists and normally accepts mail, The SMTP theory of reply codes are partitioned in the number space in such a manner that the remaining available codes will not provide the space needed. navigate here

If this code accompanies a delivery failure report, sending in the future may be successful. 5.XXX.XXX Permanent Failure A permanent failure is one which is not likely to be resolved by your mail server, or email program, is attempting to send without SMTP authentication) -------------- Yet another set of circumstances where an SMTP error 550 might be issued include an incorrect From The next attempt to send by your server may prove successful. It could be that the intended recipient has either a forwarding rule or a delegate set up for their mailbox. https://social.technet.microsoft.com/Forums/exchange/en-US/cf6b703a-269f-42c4-a585-dff3119cf4ea/when-user-send-mail-getting-ndr-512-invalid-email-address?forum=exchangesvrclientslegacy

VRFY Verify. Traditional Bounce Codes Code Explanation 421 Service not available, closing transmission channel 450 Requested mail action not taken: mailbox unavailable (e.g., mailbox busy) 451 Requested action aborted: error in processing Remote host said: 550-Verification failed for [email protected] 550-Previous (cached) callout verification failure 550 Sender verify failed Giving up on 240.240.240.240. -------------- SMTP Error 550 will also be returned if the user's

You get this NDR when you make a typing mistake when you manually try to send email via telnet. Run an anti-malware scan on your computer. your mail server is running). A valid address looks like this: [email protected]

In fact Microsoft introduced a service pack to make sure now get a more specific code. 5.1.x Problem with email address. 5.1.0 Often seen with contacts. However, with the proliferation of spam, error 512 is also often encountered by automatic "out-of-office" replies to junk mail because the domain names used by junk mail are often bogus domain This is the best SMTP reply (250) to receive - your message has been accepted and transmitted OK! :) Yippee. 250 is effectively a status code rather than an error code Security and policy status issues are assumed to be under the control of either or both the sender and recipient.

You'll need to contact the recipient’s mail server administrator for clarification regarding bounce messages from that server. invalid email address) Can sometimes also be indicative of communication problems (also called SMTP Error 5.0.1) SMTP Error 501 : The command was correct and recognised, but the parameters (the arguments, and G. This status code should be used for positive delivery reports.

RFC 4405 TURN Turn. This could be caused by a process on the remote server tidying up the mailbox, or the remote mailbox could be corrupt, or the remote mailbox may be stored on another Because the number space is large, it is not intended that published status codes will ever be redefined or eliminated. Status Code Structure .........................................3 3.

X.1.2 Bad destination system address The destination system specified in the address does not exist or is incapable of accepting mail. http://csimonitoring.com/email-error/email-error-530-5-5-1.php Also, the recipient’s email administrator might have created a transport rule that either copies or forwards the message to a recipient email address that isn't valid. Solution 4: Update forwarding rules to remove incorrect addresses    Sometimes the NDR is caused by a recipient that the user didn't directly send mail to. Microsoft doesn’t support using more than one MX record for a domain that's enrolled in Exchange Online.

RFC 2554 BDAT Binary data. However, with the proliferation of the spam, error 5.1.2 is also often encountered by automatic “out-of-office” replies to junk mail because the domain names used by junk mail are often bogus Some change to the message and/or destination must be made for successful delivery. his comment is here For example, the following email address will definitely give an SMTP Error 501 with most mail servers, happy\[email protected], as "\" is not allowed in email addresses, which makes this email address

Note: Updates to a domain's DNS records can take up to 72 hours to propagate to all DNS servers on the Internet. X.2.XXX Mailbox Status Mailbox status indicates that something having to do with the mailbox has caused this DSN. Addressee unknown.

email address) were not valid.

So some Network Administrators are these days being quite imaginative by changing the default text of SMTP reply 221 to more user friendly messages like: “221 Thank you for your business” The typical reasons for this are the mailbox being full (the user needs to delete messages before new ones will be accepted) or the user not having paid a bill. If possible, the code for the actual problem found when delivery was attempted should be returned rather than this code. 3.6 Mail Delivery Protocol Status X.5.0 Other or undefined protocol status This may result if a heuristic address mapping algorithm is used to map the specified address to a local mailbox name.

The syntax of the new status codes is defined as: status-code = class "." subject "." detail class = "2"/"4"/"5" subject = 1*3digit detail = 1*3digit White-space characters and comments are Please try the request again. For example, check correct SMTP format. weblink RFC 4468 DATA Data.

X.6.XXX Message Content or Media Status The message content or media status codes report failures involving the content of the message. RFC 2821 ETRN Extended Turn. The message will usually go like this: “Connection refused, 111 Can’t open SMTP stream”. other user is able to send mail to that email id.