Undelivered Mail Returned to Sender

Dobrý den,

od 14.12. 2022 se mi nedaří odesílat e-maily z aplikace Outlook.

Prosím o informace jak to opravit.

Děkuji

Reporting-MTA: dns; wes1-so1.wedos.net
X-Postfix-Queue-ID: 4NXprJ3J4jz6cQ
X-Postfix-Sender: rfc822; ****@okstatika.cz
Arrival-Date: Thu, 15 Dec 2022 11:49:04 +0100 (CET)

Final-Recipient: rfc822; s****@kasperskehory.cz
Original-Recipient: rfc822;s****@kasperskehory.cz
Action: failed
Status: 5.1.1
Remote-MTA: dns; mail.webx.cz
Diagnostic-Code: smtp; 550 5.1.1 <s****@kasperskehory.cz>: Recipient address
rejected: User unknown in virtual mailbox table

eturn-Path: <****@okstatika.cz>
Received: from DELL (mail.agromont.cz [85.207.18.2])
by wes1-so1.wedos.net (Postfix) with ESMTPSA id 4NXprJ3J4jz6cQ
for <stavurad@kasperskehory.cz>; Thu, 15 Dec 2022 11:49:04 +0100 (CET)
From: =?iso-8859-2?Q?Miroslav_Markyt=E1n?= <****@okstatika.cz>
To: <s****@kasperskehory.cz>
Subject: =?iso-8859-2?Q?Prohl=E1=B9en=ED_ke_kontroln=ED_prohl=EDdce=2C_Ka=B9pers?=
=?iso-8859-2?Q?k=E9_Hory=2C_Dlouh=E1_38?=
Date: Thu, 15 Dec 2022 11:49:05 +0100
Message-ID: <004b01d91072$da238f60$8e6aae20$@okstatika.cz>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary=“—-=_NextPart_000_004C_01D9107B.3BEA4150″
X-Mailer: Microsoft Outlook 16.0
Thread-Index: AdkQcbsbITHGYFfxRKCmDWXeMPZ4gg==
Content-Language: cs
X-Antivirus: Avast (VPS 221215-0, 15.12.2022), Outbound message
X-Antivirus-Status: Clean