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Smtp Error Status
This is useful only as a persistent transient error. But sometimes it's about the recipient's server blacklisting yours, or an invalid email address.Configure your settings providing a username+password authentication. Check all the addresses in the TO, CC and BCC field. This memo does not discuss the merits of any such filtering, but provides a mechanism to report such. this contact form
This condition might be temporary, for example the server is operating in a mode where only higher priority messages below certain size are accepted for transfer and delivery. [RFC6710] (Standards Track) X.4.5 Mail system congestion - Code: 451 The mail system was unable to deliver the message because the mail system was congested. The first sub-code indicates whether the delivery attempt was successful. X.1.3 Bad destination mailbox address syntax The destination address was syntactically invalid.
Smtp Reply Codes
Overview ......................................................2 2. X.7.12 A password transition is needed - Code: 422, 432 This response to the AUTH command indicates that the user needs to transition to the selected authentication mechanism. X.4.2 Bad connection The outbound connection was established, but was unable to complete the message transaction, either because of time-out, or inadequate connection quality. The particular mechanisms that failed are not specified.
- Network issues are assumed to be under the control of the destination or intermediate system administrator. [RFC3463] (Standards track) G.
- X.6.6 Message content not available - Code: 554 The message content could not be fetched from a remote system.
- This is useful only as a persistent transient error.
- Security and policy status issues are assumed to be under the control of either or both the sender and recipient.
- X.6.1 Media not supported The media of the message is not supported by either the delivery protocol or the next system in the forwarding path.
- Distribution of this memo is unlimited.
- This code is only useful for permanent failures.
This is useful only as a permanent error. [RFC3463] (Standards Track) G. Meaning, if both your address and the recipient's are not locally hosted by the server, a relay can be interrupted.It's a (not very clever) strategy to prevent spamming. 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. Smtp 240 This is the best SMTP reply (250)to receive - your message has been accepted andtransmitted OK !
Siemborski, A. Vaudreuil IESG X.7.7 Message integrity failure Not given A transport system otherwise authorized to validate a message was unable to do so because the message was corrupted or altered. Servers should send only defined, registered status codes. Discover More This is primarily intended for use with clear text authentication mechanisms.
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 Smtp 421 Service Not Available Vaudreuil IESG X.3.4 Message too big for system 552, 554 The message is larger than per-message size limit. It's the typical response to the DATA command.The server has received the "From" and "To" details of the email, and is ready to get the body message.420"Timeout connection problem": there have It is included in this list in the event that such segmentation is not possible.
Smtp Error Codes 550
This is useful only as a persistent transient error. These failures include the full range of problems resulting from implementation errors or an unreliable connection. Smtp Reply Codes This status code should be used for positive delivery reports. Smtp Enhanced Status Codes X.1.4 Destination mailbox address ambiguous The mailbox address as specified matches one or more recipients on the destination system.
Vaudreuil IESG X.4.7 Delivery time expired Not given The message was considered too old by the rejecting system, either because it remained on that host too long or because the time-to-live weblink This may result if a heuristic address mapping algorithm is used to map the specified address to a local mailbox name. This is useful only as a permanent error. [RFC3463] (Standards Track) G. This document proposes a new set of status codes for this purpose. Smtp Error Codes Rfc
What does these numbers mean?First of all: not any reply code is an error. It differs from a generic authentication failure where the client's best option is to present the passphrase entry dialog in case the user simply mistyped their passphrase. [RFC5248] (Best current practice) 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. http://unordic.com/smtp-error/smtp-error-status-4-4-7.html In particular, you will probably get a lot of 550 SMTP error codes – that is, a problem that concerns the recipient's email address.Finally, remember that it's much easier to deal
Reply codes in numerical order Code Meaning 200 (nonstandard success response, see rfc876) 211 System status, or system help reply 214 Help message 220
This status code may also be used when the condition cannot be further described because of security policies in force. [RFC3463] (Standards Track) G.
Vaudreuil IESG X.7.8 Authentication credentials invalid 535, 554 This response to the AUTH command indicates that the authentication failed due to invalid or insufficient authentication credentials. This informs the client that the failure is permanent until the user contacts their system administrator to get the account re-enabled. X.7.26 Multiple authentication checks failed - Code: 550 This status code is returned when a message failed more than one message authentication check, contrary to local policy requirements. Smtp 25 This memo does not discuss the merits of any such filtering, but provides a mechanism to report such.
This condition may result when an ESMTP gateway supports 8bit transport but is not able to downgrade the message to 7 bit as required for the next hop. X.5.1 Invalid command A mail transaction protocol command was issued which was either out of sequence or unsupported. The subject sub-code classifies the status. http://unordic.com/smtp-error/smtp-error-other-undefined-status.html Related ContentWhat is SMTPWhat is my SMTPWhat is an SMTP serverFree SMTP serverEmail delivery failure and other problemsError 550 GET IT FREE6.000 free emails/monthNo Credit Card requiredThe email template affects deliverability
X.7.20 No passing DKIM signature found - Code: 550 This status code is returned when a message did not contain any passing DKIM signatures. (This violates the advice of Section 6.1 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 Your cache administrator is webmaster. This may result if a heuristic address mapping algorithm is used to map the specified address to a local mailbox name.
Abstract This document defines a set of extended status codes for use within the mail system for delivery status reports, tracking, and improved diagnostics. This code is only useful for permanent failures. [RFC3463] (Standards Track) G. Eliminated the restriction on the X.4.7 codes limiting them to persistent transient errors. The particular mechanisms that failed are not specified. [RFC7372] (Standards Track) M.
This may also be a permanent error if the sender has indicated that conversion with loss is prohibited for the message. [RFC3463] (Standards Track) G. You must ask the recipient to whitelist you.550It usually defines a non-existent email address on the remote side.Though it can be returned also by the recipient's firewall (or when the incoming 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,