Undelivered mail returned to sender: Possible causes
You will receive the message "Undelivered mail returned to sender" as a Service of your mail provider. So, you always know, if a sent Mail has not arrived. In the message, you can find your original Mail and the receiver.
- The most likely cause is that you used a wrong mail address. You may have mistyped or out of habit ".de" instead of ".com" is used. Check the email address you send the Mail with the correct address again.
- It may happen that the mail to the receiver's memory is full. Try to reach the recipient in other ways or send the Mail at a later date.
- May has just occurred as you have sent the Mail to a fault. Please try again later.
In the next article, we will show you how you can find out whether your Mail is read by the recipient was.
