This code should be used as a permanent failure. Further, consumption of the remaining reply-code number space for delivery notification reporting will reduce the available codes for new ESMTP extensions. For Internet mail names, this means the address portion to the left of the "@" sign is invalid. thereby updating [RFC4468]. [RFC5248] (Best current practice) T. this contact form
X.7.7 Message integrity failure A transport system otherwise authorized to validate a message was unable to do so because the message was corrupted or altered. Example: 421 4.7.0 mx.server.com Error: too many errors X.7.1 Delivery not authorized, message refused The sender is not authorized to send mail to the specified destination. This code is only useful for permanent failures. [RFC3463] (Standards Track) G. Most servers have hard limits, ours are set to 50.
Kindest Regards, Scott M Reply Rich n/a Points 2015-10-15 1:08 pm Looking for some help with Server error: '452 too many recipients'. X.7.4 Security features not supported A message contained security features such as secure authentication that could not be supported on the delivery protocol. This is useful only as a persistent transient error. [RFC3463] (Standards Track) G.
For example, 5.2.1 is a Permanent Error where the receiving email is not accepting messages. The sender can’t do anything to resolve this problem. This can apply to any field in the address. Enhanced Status Code Exchange 2010 The second 2 numbers pinpoint the exact information bout the error. 2 Successfully sent the email; 4 Temporary problem when sending the email.
X.3.2 System not accepting network messages The host on which the mailbox is resident is not accepting messages. Smtp Error Codes 550 This code may represent a permanent failure or a persistent transient failure. [RFC3463] (Standards Track) G. This code is only useful for permanent errors. http://www.inmotionhosting.com/support/email/email-troubleshooting/smtp-and-esmtp-error-code-list These status codes are used for media and language independent status reporting.
X.6.3 Conversion required but not supported The message content must be converted in order to be forwarded but such conversion is not possible or is not practical by a host in Smtp Codes 240 So, in terms of the issues email delivery, I would start with the domain name first. This may be the result of system or user defined filters. It should be used for all errors for which only the class of the error is known. [RFC3463] (Standards Track) G.
Overview There is a need for a standard mechanism for the reporting of mail system errors richer than the limited set offered by SMTP and the system specific text descriptions sent This code, if present, must be 5XX because the message will no longer be queued in the system. 3.6 Mail delivery protocol status X.5.0 Undefined protocol status and others Smtp Server Response Codes References ...................................................13 5. Smtp Status Codes 240 Kucherawy IESG X.7.25 Reverse DNS validation failed 550 This status code is returned when an SMTP client's IP address failed a reverse DNS validation check, contrary to local policy requirements. [RFC7372]
Vaudreuil IESG X.2.1 Mailbox disabled, not accepting messages Not given The mailbox exists, but is not accepting messages. weblink This is a special case of X.7.21. (This violates the advice of Section 6.1 of [RFC6376].) [RFC7372] (Standards Track); [RFC6376] (Standards Track) M. This code is useful only with temporary errors. This is useful only as a persistent transient error. Smtp Error Codes Rfc
No further delivery attempts will be made and the message has been removed from the queue. Are there different types of bounce codes? The sender system will have to assume this code and queue the message for a later delivery. http://phabletkeyboards.com/error-codes/smtp-enhanced-error-codes.php X.3.5 System incorrectly configured The system is not configured in a manner that will permit it to accept this message.
Ask a Question Vijaykumar n/a Points 2014-03-22 10:14 am Thank you. Smtp Bounce Codes This code should be used as a persistent transient failure. This is useful only as a permanent error. [RFC3463] (Standards Track) G.
Servers should send only defined, registered status codes. This code is useful only with permanent errors. This entry was posted in Mail Security and tagged dsn, smtp by rskala. Enhanced Status Code Transport Rule Authentication required 531 - Mail system Full 533 - Remote server has insufficient disk space to hold email 534 - Authentication mechanism is too weak.
Resource: RFC3463 (January 2003); SMTP Enhanced Codes Registry (IANA, February 2012) Bounce Codes for Popular Services Yahoo AOL Outlook.com Comcast Cox Postini Not what you're looking for? Sometimes, messages accompanying codes are non-standard (mail server administrators can customize these messages); therefore, messages may be different from each receiving mail server you attempted to contact. The listing helps me explain better to users. http://phabletkeyboards.com/error-codes/smtp-protocol-error-codes.php These errors can generally be corrected by the sender and retried.
Detail sub-codes may provide notification of transformations required for delivery. [RFC3463] (Standards track) G. Status Code Structure .........................................3 3. Melnikov IESG X.7.13 User Account Disabled 525 Sometimes a system administrator will have to disable a user's account (e.g., due to lack of payment, abuse, evidence of a break-in attempt, etc).