SMTP error code 250 caused by thisAugust 22, 2020 by Leslie Edison
If you see an SMTP error code 250 error message on your computer, check out these troubleshooting tips. 250 - This response from the SMTP server simply means that everything went well and your message was delivered to the receiving server 550 - The message failed because another user's mailbox is not available or because the receiving server rejected your message.
Dive With Extended Code Description
2xx In Detail
This is a success status that indicates a positive response from the server, which can contain more information if the response takes into account the subcodes (2XX XXX) and Reply.
This should be considered a positive note for delivery. As the status code response indicates that the email address you are trying to get is valid.
If there is an authentication problem, this response with a status code will be received by the server. It could be the wrong password or username, or you are trying to connect to the wrong mail server. You can check if your SMTP access is enabled to send emails from your email id, or try changing the authentication method.
If you know your username and password and the error persists, try SSL / TLS.
This can be considered a positive response as this status code response indicates that the recipient's MX received your email successfullybut was dropped with a null response.
The email was accepted for delivery, but the priority of delivery was changed. The new Priroty will be available after the status code next to the answer.
4xx In Detail
This status code is a temporary blocking of delivery of your emails, which should repeat the automatic sending of those emails. This blocking can be caused by unusual traffic patterns when sending server IP addresses, emails with spam properties, or recipients where MX is too busy accepting emails.
This status code is incorrect if a user is complaining about emails sent by our mail servers to a public IP address.
This status code indicates that a large number of emails have been sent from your IP address. that is, a mass letter. Do not send emails when you receive this status code.
Check your email subscription list and make sure you are sending emails to subscribed users.
This response with a status code indicates that your emails They were moved due to low MTA connectivity, bad message token, or unusual email traffic with PDF files.
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