Author: Pankaj Kumar

4.7.6 Email Bounce Error Reason Message Encryption Issues: Delayed Message The email message has not yet been delivered because an email server involved with sending the message had difficulty processing the security features of the message. How to fix? If intentionally sending ecrypted email messages, check the sender’s email program settings and make necessary changes. Retry the email message see if the same error occurs, or if it was a one time problem. Otherwise, contact the sender’s email support team or encryption provider to help identify any misconfiguration with the sender’s account or encryption tools. 4.7.6- Official definition from ITEF…

4.7.5 Email Bounce Error Reason Message Authentication Issues: Delayed Message The email message has not yet been delivered because your email sending system uses DKIM, an authentication mechanism. Either the sending or receiving email system had some problem with the sending system’s DKIM. How to fix? Check if it is one time issues – retry sending message again after few hours. If problem persists you may need to dig out further to make sure it doesn’t have DKIM issues. If the problem continues, contact the sender’s email support team to help identify any misconfiguration with the sender’s account or with…

4.7.4 Email Bounce Error Reason User Authentication For Message Failed: Delayed Message The email message has not yet been delivered because there was a problem with your user authentication to your email system How to fix? Review the email account settings. Check for options that require “user authentication” for outbound SMTP and ensure that the Username and Password values are correct. If the account settings are correct, contact the email provider to help identify any misconfiguration with the sender’s account or with the email system. 4.7.4- Official definition from ITEF For the code that starts from 4.X.X A persistent transient…

4.7.3 Email Bounce Error Reason Security conversion required but not possible: Delayed Message The email message has not yet been delivered because the recipient’s email program and the sender’s email program had issues with the security protocols between them. How to fix? Retry the email message see if it was a one-time problem or if the same error occurs. Otherwise, contact the support team as the email system may have a security issue. This is not typically something that you can fix. 4.7.3- Official definition from ITEF For the code that starts from 4.X.X A persistent transient failure is one…

4.7.2 Email Bounce Error Reason Not Authorised To Send To Mailing List: Delayed Message The email message has not yet been delivered because the recipient’s email provider has blocked your email address from posting messages to this mailing list. How to fix? If it seems unlikely that your email address has been blocked intentionally, try sending the message again in a while in case this is a temporary problem. Otherwise, contact the mailing list administrator. 4.7.2- Official definition from ITEF For the code that starts from 4.X.X A persistent transient failure is one in which the message as sent is…

4.7.1 Email Bounce Error Reason Message Sender Blocked By Receiving Server: Delayed Message The email message has not yet been delivered because the recipient’s email provider is not accepting messages from this sender. This usually means that the receiving system has security or policy concerns with regard to either the specific sender, recipient, or the sender’s email system. How to fix? Retry the email message see if it was a one-time problem or if the same error occurs. Otherwise, contact the sender’s email support team as the email system may have a security issue. This typically requires help-desk support. 4.7.1-…

4.7.0 Email Bounce Error Reason Unknown Security Or Policy Concern: Delayed Message The email message has not yet been delivered because the message has caused a security concern, but it is not clear what caused the problem. How to fix? Retry the email message see if it was a one-time problem or if the same error occurs. Otherwise, contact the sender’s email support team as the email system may have a security issue. 4.7.0- Official definition from ITEF For the code that starts from 4.X.X A persistent transient failure is one in which the message as sent is valid, but…

4.6.6 Email Bounce Error Reason Email Content Could Not Be Accessed: Delayed Message The email message has not yet been delivered because an email system involved in transmitting the message had a problem accessing its content. How to fix? Try sending the message again in a while as this problem might be temporary or already in the process of being fixed. If this error persists, contact the email provider for help. 4.6.6- Official definition from ITEF For the code that starts from 4.X.X A persistent transient failure is one in which the message as sent is valid, but persistence of…

4.6.5 Email Bounce Error Reason Message Content Not Accessible To Recipient Server: Delayed Message The email message has not yet been delivered because it included content or attachments that needed to be converted but that was not completed. How to fix? If the message had attachments, try sending it again without them and then try sending each attachment in a separate email. If this error occurs when there are no attachments, check the text of the message for unusual content or characters 4.6.5- Official definition from ITEF For the code that starts from 4.X.X A persistent transient failure is one…

4.6.4 Email Bounce Error Reason Content Loss During Delivery: Delayed Message The email message has not yet been delivered because it included content or attachments that needed to be converted and information was lost in the process. How to fix? Contact the recipient(s) to ensure that no undesirable consequences result from information being lost from this message before it was delivered. If the message had attachments, try sending it again without them, and then try sending each attachment in a separate email. If this error occurs when there are no attachments, check the text of the message for unusual content…