Databáze řešení

421 Unexpected Failure

If you receive the message (421, response: Unexpected failure, please try later) while trying to send emails, the problemmaybe temporary.

The message indicates that there may be problems with the receiving email address:

You are not required to take any action. Delivery attempts will continue for some time, and this warning may be repeated at intervals if the message remains undelivered. Eventually the mail delivery software will give up, and when that happens, the message will be returned to you.

If you experience this error every time you attempt to send an email, contact us at Walex Biz Host via  live chat so we can test your email.

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