No messages are sent or forwarded back.
Our messages are not sent to other mails, and errors are immediately thrown out. And if it is sent, then other people do not receive the message, and after some time, a notification about a sending error comes. This is possible due to the fact that the mail shows our messages as spam and does not allow sending them to other mails. Please look into our issue as soon as possible and give us a reply. Thank you. Below I attach examples of errors:
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I do not understand. Your screenshots indicate a message taking a long time to deliver and eventually receiving notice that the recipient's email id does not exist. That isn't a problem. If you are experiencing difficulty, you need to share more explicit information here.