If when sending e-mail from your web hosting, and receive the following error message:
421, response: Unexpected failure, please try later
This may be a temporary problem with the e-mail server. If the error message is:
"No action is required on your part. 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."
then there may be problems receiving a e-mails.
If you still receive these error messages, you can contact us to test your e-mail and POP client settings.