This code is only useful for permanent failures. [RFC3463] (Standards Track) G. Vaudreuil IESG X.4.2 Bad connection 421 The outbound connection was established, but was unable to complete the message transaction, either because of time-out, or inadequate connection quality. This status code should be used for positive delivery reports. For Internet mail names, this means the address portion to the right of the "@" is invalid for mail. this contact form
The general semantics implies that the recipient can delete messages to make more space available. And don't forget to check your mail logs for bounce messages too! Vaudreuil IESG X.7.4 Security features not supported 504 A message contained security features such as secure authentication that could not be supported on the delivery protocol. Of course, with a professional SMTP provider like turboSMTP you won't ever deal with this issue.552"Requested mail actions aborted – Exceeded storage allocation": simply put, the recipient's mailbox has exceeded its http://www.serversmtp.com/en/smtp-error
So, in terms of the issues email delivery, I would start with the domain name first. This code is only useful for permanent failures. This is typically done by authenticating once using the [PLAIN] authentication mechanism.
Anyhow, the most critical series of error messages is the 5xx one, and especially the ones from 550 to 559. Please try again. Further, consumption of the remaining reply-code number space for delivery notification reporting will reduce the available codes for new ESMTP extensions. Smtp Error 451 Vaudreuil IESG X.1.5 Destination address valid 250 This mailbox address as specified was valid.
Secondly: any code consist of three digits, and each conveys a particular information. Smtp Error Codes Rfc Would you like to ask a question about this page? Examples of such conditions include an imminent shutdown, excessive load, or system maintenance. Vaudreuil Standards Track [Page 2] RFC 3463 Enhanced Mail System Status Codes January 2003 2.
SMTP provides about 12 useful codes for delivery reports. Network issues are assumed to be under the control of the destination or intermediate system administrator. Smtp Error Codes 550 New subject and detail codes will be added over time. What Does Http Server Code 200 Mean? If everything's ok and the error persists, then it's caused by a configuration issue (simply, the server needs an authentication).523The total size of your mailing exceeds the recipient server's limits.Re-send your
Newman IESG X.6.7 Non-ASCII addresses not permitted for that sender/recipient 553, 550 This indicates the reception of a MAIL or RCPT command that non-ASCII addresses are not permitted [RFC6531] (Standards track) http://phabletkeyboards.com/smtp-error/smtp-error-codes-451.php Klensin IESG X.3.3 System not capable of selected features Not given Selected features specified for the message are not supported by the destination system. Mailbox issues are assumed to be under the general control of the recipient. Of these, by far the most common one - the one that as a sender you will see most often and to which you must pay immediate attention - is the Smtp Enhanced Status Codes
Your message is deferred until storage opens up and it can then be delivered. 550 – The message has failed because the other user’s mailbox is unavailable or because the recipient Siemborski, A. No further delivery attempts will be made and the message has been removed from the queue. navigate here It is included in this list in the event that such segmentation is not possible. [RFC3463] (Standards Track) G.
Search Search Ask the Community! Smtp Error 421 This may be a permanent error if the mailbox will never be re-enabled or a transient error if the mailbox is only temporarily disabled. SendGrid’s amazing support staff is here to help you figure out what went wrong and what you can do to correct it.
Warren Duff March 12, 2014 Technical // SUMMARIES ?> Sending email involves multiple computers communicating with each other through a process call Simple Message Transfer Protocol (SMTP). Am I reading correctly that the recipient is telling me that we are sending "spam?" Eric Gillette Oct 14, 2011, 8:16 Reply Richard, No probably not. Here is a reference table of SMTP error / reply codes and a brief description of their meaning: CodeDescription 211System status or system help reply. 214Help message. 220Domain service ready - Smtp 240 We recommend contacting the other email provider for further information about the cause of this error.
A DNS lookup returning only an SOA (Start of Administration) record for a domain name is one example of the unable to route error. [RFC3463] (Standards Track) G. This is useful only as a permanent error. [RFC3463] (Standards Track) G. I have tried searching many sites. his comment is here Detail sub-codes may provide notification of transformations required for delivery. [RFC3463] (Standards track) G.
This is useful only as a permanent error. [RFC3463] (Standards Track) G. You should contact your ISP and ask them to allow you as a certified sender. Vaudreuil IESG X.3.0 Other or undefined mail system status 221, 250, 421, 451, 550, 554 The destination system exists and normally accepts mail, but something about the system has caused the Klensin IESG X.2.0 Other or undefined mailbox status Not given The mailbox exists, but something about the destination mailbox has caused the sending of this DSN. [RFC3463] (Standards Track) G.
Reply codes in numerical order Code Meaning 200 (nonstandard success response, see rfc876) 211 System status, or system help reply 214 Help message 220
Siemborski, A. Klensin IESG X.7.15 Priority Level is too low 450, 550 (other 4XX or 5XX codes are allowed) The specified priority level is below the lowest priority acceptable for the receiving SMTP And why should you care? ('SMTP' stands for Simple Mail Transfer Protocol.) First, here is a list of SMTP messages and error messages, and what each message is supposed to say Such prohibitions may be the expression of the sender in the message itself or the policy of the sending host. [RFC3463] (Standards Track) G.
Because the number space is large, it is not intended that published status codes will ever be redefined or eliminated. This is what appears to be happening based on the fact that you're changing public IP addresses and then your mail starts working again. ARE.