How To Fix Smtp Client Error Codes Tutorial

Home > Smtp Error > Smtp Client Error Codes

Smtp Client Error Codes


X.6.4 Conversion with loss performed This is a warning sent to the sender when message delivery was successfully but when the delivery required a conversion in which some data was lost. Note that this response code is documented here for historical purposes only. This error message is issued if the domain address given in the EHLO command does not have the correct syntax. 501 HELO Invalid domain address. This is useful only as a permanent error.

Is Your Email Marketing ROI Suffering from Hidden Costs? This, and a mere button waiting for the mouse click of relief that would make even the sparse message go away: OK. What can I do? Cyn Oct 30, 2012, 16:16 Reply I also am getting mail bounced back/rejected: Here is the error message. In general a business account should have less mailing restrictions than a free account.

Smtp Error Codes 550

Please help. Rick Nason Apr 10, 2016, 13:20 Reply OK, we have a problem with error 550 when sending to a valid email address. X.7.17 Mailbox owner has changed - Code: 5XX This status code is returned when a message is received with a Require-Recipient-Valid-Since field or RRVS extension and the receiving system is able Why would you have an email address on your mailing list that has never existed? X.1.3 Bad destination mailbox address syntax - Code: 501 The destination address was syntactically invalid.

Vaudreuil IESG X.3.6 Requested priority was changed 250 or 251 The message was accepted for relay/delivery, but the requested priority (possibly the implied default) was not honoured. If you have entered localhost,,, or something similar in this textbox, this is likely the cause of the problem. MailList Controller can be adjusted to such a limit, see our FAQ for details. Smtp Error Code 554 The particular mechanisms that failed are not specified. [RFC7372] (Standards Track) M.

This is useful only as a persistent transient error. Almost always, when you get an email bounced back (or inserted in your mail log!) with a 550 error code, it means that the receiving system could not deliver your email If the used email account is too restrictive, use a different email account (and mail server) instead. That happened to me years ago until friends told me they had a problem with my address and I figured it out.

Toggle navigation Welcome Functionality Download Documentation Community Forum Contact SMTP error messages SMTPerror messages 421 Connection timeout If there is a timeout while hMailServer is waiting for a command from Smtp Error 421 This error is generated by hMailServer if a client sends a large chunk of data to hMailServer not containing a newline character (command terminator). X.4.7 Delivery time expired 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 value specified by the Vaudreuil IESG X.7.5 Cryptographic failure Not given A transport system otherwise authorized to validate or decrypt a message in transport was unable to do so because necessary information such as key

  • Vaudreuil IESG X.4.3 Directory server failure 451, 550 The network system was unable to forward the message, because a directory server was unavailable.
  • This verification works the following way: hMailServer connects to the recipients SMTP server hMailServer tells the recipients SMTP server that the email is from [email protected] The recipients SMTP server looks up
  • This can apply to any field in the address.
  • Your mail account might have one or multiple limitations: Daily mail limit, e.g.
  • This error message is issued if a client tries to authenticate using a method which is not supported by hMailServer. 504 Authentication type not specified.
  • X.7.1 Delivery not authorized, message refused The sender is not authorized to send to the destination.
  • Example messages are: 1. 550 Recipient Rejected: Access Denied: blocked by prs 2. 550 5.1.1 : Recipient address rejected: User unknown 3. 554 delivery error:dd This user doesn't have a
  • Levine, M.

Smtp Code 250

If a SMTPclient tries to send an email message to a distribution list which is not enabled, this error message is given to the client. 550 Domain has been disabled. This indicates a bug in the SMTPclient. 504 Authentication mechanism not supported. Smtp Error Codes 550 X.1.4 Destination mailbox address ambiguous - Code: Not given The mailbox address as specified matches one or more recipients on the destination system. Smtp Enhanced Status Codes Check the RFC index for further mail-related RFCs.

There are a few things which can go wrong in these steps: If the MX records for the domain is not set up properly, the recipients SMTP server may correct his comment is here X.1.1 Bad destination mailbox address - Code: 451, 550 The mailbox specified in the address does not exist. This error message is issued if the domain address given in the HELOcommand does not have the correct syntax. 502 TURNdisallowed If a SMTPclient tries to use the TURNcommand hMailServer responds Some providers also use error 550 to indicate that you reached your send (relay) limit: 550 5.4.5 Daily sending quota exceeded550 5.7.1 Email quota exceeded550 5.7.1 Daily SMTP relay limit exceeded Smtp Error Codes Rfc

Remote server replied: 550 [email protected]) Rob Verhagen Feb 24, 2010, 23:43 Reply Hi Reuben To answer your question, you will need to tell us the specific 550 error, usually it The most critical example is the existence of only 5 remaining codes for mail system errors. Just read it and be happy that everything is working (so far)!221The server is closing its transmission channel. this contact form This is useful only as a permanent error. [RFC3463] (Standards Track) G.

Abstract This document defines a set of extended status codes for use within the mail system for delivery status reports, tracking, and improved diagnostics. Smtp 240 This status code should be used when the per-mailbox message length limit is less than the general system limit. This is useful only as a permanent error. [RFC3463] (Standards Track) G.

Vaudreuil IESG X.2.YYY Mailbox Status Mailbox status indicates that something having to do with the mailbox has caused this DSN.

It should be used for all errors for which only the class of the error is known. [RFC3463] (Standards Track) G. Both the sender and recipient must permit the exchange of messages and arrange the exchange of necessary keys and certificates for cryptographic operations. [RFC3463] (Standards track) G. SMTP Error 530 530 Authentication Required530 5.7.0 Must issue a STARTTLS command first Check the authentication (username/password) and enable SSL/TLS (StartTLS) in the account settings of your mail client, if required.If Smtp 421 Service Not Available Check carefully if you ended up in some spam lists, or rely on a professional SMTP service like turboSMTP that will nullify this problem.

Siemborski, A. This code is only useful for permanent failures. Such prohibitions may be the expression of the sender in the message itself or the policy of the sending host. but this is the first time in years ive ever had a problem with this..please help! Eric Gillette Mar 11, 2011, 15:58 Reply I think it can also be said

Different ISP's respond differently in this regard, so if after a few tries (say 2-3 tries) you're still not getting mail delivered, it's probably safe to temporarily remove the subscriber from Hansen, J. We suggest to do that with MailStyler, an excellent and easy-to-use software.Try it for free © 2010 - 2015 turboSMTPby Delivery Tech - All rights reservedFollow @turboSMTPPrivacy Policy | Terms and Enumerated Status Codes The following section defines and describes the detail sub-code.

This code consists of three numbers.The first generally tells whether the server accepted the command and if it could handle it.