• Error 451 Requested Action Aborted – Causes and Fixes

    Requested action aborted: local error in processing. Causes Encountering an unexpected local error when processing data it is transferring or receiving. The drive on the FTP server is full and there is not enough free space available for the file being sent. The user has a limit on the amount…

  • Error 450 File Unavailable – Causes and Fixes

    Requested file action not taken: File Unavailable. Causes File requested are unavailable or unable to gain access to a required file at the time the command is received. Example: File Busy Fixes Step 1: Restart FTP Encouraged to restart the FTP transaction and try again. Step 2: Contact NET Or…

  • Error 426 Connection Closed – Causes and Fixes

    Connection closed, transfer aborted. Causes When the data connection is unexpectedly closed before the completion of a data transfer. Fixes Step 1: Restart FTP Try logging back in, encouraged to restart the FTP transaction and try again. Step 2: Contact NET Contact NET to check if you need to increase…

  • Error 425 Cannot Open Connection – Causes and Fixes

    Cannot open data connection. Causes The data channel is blocked or closed between you and the server you are trying to connect to. Fixes Step 1: Switch The Mode change from PASV to PORT mode. Step 2: Check Firewall check your firewall settings. Step 3: Connect HTTP can try to…

  • Error 421 Service Unavailable – Causes and Fixes

    Service not available, closing control connection. Causes User limit reached User are not authorized to establish the connection Maximum connections reached Maximum connections exceeded Fixes Step 1: Limit Connections Limit the number of connections to any one FTP site. Step 2: Remove Items Remove the items from the queue. Step…

  • Error 554 Transaction Failed – Causes and Fixes

    This implies the exchange has error. It is a permanent error and the server would not attempt to send the message once more. Causes Related to the sending mail server is being blacklisted and it think the email is a spam. Fixes Step 1: Check Your Spam Records Check cautiously…

  • Error 553 Request Action Not Taken – Causes and Fixes

    Request action not taken. The receiving email server could not check the email address and there is an incorrect email address in the recipients line. Causes Trying to send through a specific ISP SMTP server and yet you are not connected to the internet through that ISP. Receiving email server…

  • Error 551- Users Is Not Local – Causes and Fixes

    User is not local. This means that both your address and recipients address are not locally facilitated by the server, a relay can be interrupted. Cause Used as a strategy for spam prevention. Sender and recipient address are not locally hosted by the server, a relay can be interrupted. Fixes…

  • Error 550 Non-Existent Email Address – Causes and Fixes

    Non-existent email address. The destination mail server was unable to verify the email address used. On the other half, the receiving mail server may also present with firewall or connectivity issues. Cause Receiving mail server has connectivity and firewall issue The recipient email address does not exist on the remote…

  • Error 541 Rejected Message – Causes and Fixes

    The recipient address rejected your message. Your message has been labeled and detected as spam mail or blocked for any reason via the recipient server configurations. Cause Cause by anti-spam filter Your email possibly has been flagged as spam or blocked for any number reasons via the receiving server configuration….

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