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Sometimes these email issues can be referred to in multiple ways, it’s common to see them mentioned as a email bounceback or bounce-back message.
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No available routeĥ50 – Requested action not taken: mailbox unavailableĥ51 – User not local please try forward pathĥ52 – Requested mail action aborted: exceeded storage allocationĥ53 – Requested action not taken: mailbox name not allowedĥ54 – Transaction failed ,incoming server thinks that your email is spam, or your IP has been blacklisted.NOTICE: We also have a new Bounceback Parser Tool that can help diagnose a bounced email. Required Authenticationĥ38 – Encryption required for requested authentication mechanismĥ43 – Routing server failure. Message too bigĥ35 – Multiple servers using same IP. Authentication requiredĥ33 – Remote server has insufficient disk space to hold emailĥ34 – Authentication mechanism is too weak.
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Encryption required for requested authentication mechanismĥ00 – Syntax error, server couldn’t recognizeĥ01 – Syntax error in parameters or argumentsĥ03 – Bad sequence of commands (requires an authentication)ĥ12 – DNS error, Domain can not be found.ĥ15 – Destination mailbox address invalidĥ17 – Problem with senders mail attribute, check propertiesĥ22 – Recipient has exceeded mailbox limitĥ23 – Server limit exceeded. or sending a large bulk email)Ĥ52 – Too many emails sent or too many recipientsĤ54 – TLS not available due to temporary reason.
Why does avast error message on email Offline#
request refused (mailbox corrupted or placed on an offline server, IP problems or blacklisting.)Ĥ51 – Requested action aborted: local error in processing Request (rejection due to remote antispam filter.
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”) its response to the DATAģ55 - Octet-offset is the transaction offsetĤ20 - Timeout connection problem (recipient’s firewall, or hardware problem)Ĥ21 – exceeded limit of simultaneous connections service is unavailableĤ22 - Recipient's mailbox storage limit exceeded.Ĥ32 – Recipient's Exchange Server incoming mail queue stoppedĤ41 – Recipient's server is not responding.Ĥ42 – Connection was dropped (network connection problem due to router)Ĥ46 – Maximum hop count was exceeded(internal loop)Ĥ47 - Outgoing message timed out in incoming server.Ĥ50 – Requested mail action not taken: mailbox unavailable. (connection issue with the remote SMTP server, firewalls or misspelled domains)Ģ11 - System status / system help reply (server information)Ģ21 - Server Closing connection in transmission channelĢ50 - Requested mail action okay completed (Email Will be delivered)Ģ51 - User not local will forward path (transfer action)Ģ52 - Cannot verify the user, but it will try to deliver laterĢ53 - Pending messages for server startedģ54 - “Start mail input end. (connection port error or server name incorrectly)ġ11 - Connection refused or inability to open an SMTP stream. A list of these codes are standard SMTP Error Codes for email bounces.ġ01 - The server is unable to connect.
Why does avast error message on email code#
The two main common email bounce pack errors are categories Deferrals (400) or a Fatal Bounce (500)Įrror code 400 is delay, so the mail server will try again to send the message.Įrror code 500 is a message that was not delivered due to an error. Email bounceback is email delivery fails, so the email service provider informs the sender that his message could not be successfully delivered to the desired recipient due to an error.