What does 550 requested action not taken mailbox unavailable mean?
550 Blocked error or 550 Requested action not taken: mailbox unavailable is an SMTP (Simple Mail Transfer Protocol) error code. Put simply, this message means that the email you sent was blocked by the recipient’s email hosting server, and returned to you.
Why is my mailbox unavailable?
“Mailbox unavailable” can indicate that your email message failed to deliver for any number of different reasons, ranging from bad email addresses to closed or suspended accounts to quotas having been reached to mail server problems and more.
What is a 550 response?
A 550 response code may be sent in response to any command requiring the server to access a local file. It is a permanent negative response, which means the client is discouraged from sending the command again since the server will respond with the same response code.
How do I fix mail delivery problems?
If mail cannot be delivered, it is usually returned to you, with a message indicating why. This is known as a bounce. If you do not understand what is wrong, you can ask the postmaster on your system for help. The best way usually is to send the complete bounce message to postmaster, using the forward command.
How do I fix undeliverable email?
This error typically indicates a problem on the receiving server. Try these fixes: Make sure the recipient address is valid. Reduce the number of recipients in the message. If you received this error when sending a message using Outlook or another email app, try using Outlook.com to send the message instead.
What causes email delivery failure?
The most common reason for a failed delivery is that the email address you entered isn’t valid. If the Mailer Daemon says that the account doesn’t exist, double-check the spelling of the address you entered. A single misplaced letter can be enough to cause a failed delivery.
Why am I getting “ 550 requested action not taken” error?
When using a plesk server on a windows system, you can sometimes run into customers getting errors like this “ 550 Requested action not taken: mailbox unavailable or not local” when sending mail out, or when trying to manage their accounts in the Plesk panel.
What does SMTP error 550 reject due to policy restrictions mean?
If your e-mail client outputs the SMTP error “550 Reject due to policy restrictions,” this is a sign that components of the e-mail violate the guidelines of the mail provider. The following two violations are particularly common causes of the error message:
What does the message “550 relay not permitted” mean?
The message “550 Relay not permitted” is the result of a failed connection between the e-mail client and mail server (some servers also use SMTP 553 for this).
Why am I getting an error while sending mail in Plesk?
An error occurred while sending mail. Please check the message recipient [email protected] and try again. Mail configuration in the Plesk database is not synchronized with settings in MTA (Mail Delivery Agent). Repair mail configuration:
