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Spam Emails Sent From CyberPanel Server
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Spam Emails Sent From CyberPanel Server

HostMayoHostMayo Member, Host Rep

I have recently installed CyberPanel server with PostFix. Lately I have been getting mail delivery failiures for emails which I didn't sent. I know there is an option in postfix to disable this kind of techinque which involves sending email using other servers account but can't seem to figure out lately. Any help would be appreciated.

Received: from ( []) by (Postfix) with ESMTPS id D539121EC0B for <[email protected]>; Sun, 24 Apr 2022 15:14:37 +0200 (CEST) Received: from mailnull by with local (Exim 4.94.2) id 1nic4S-003SQN-DR for [email protected]; Sun, 24 Apr 2022 09:14:36 -0400 X-Failed-Recipients: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected] Auto-Submitted: auto-replied From: Mail Delivery System <[email protected]> To: [email protected] Content-Type: multipart/report; report-type=delivery-status; boundary=1650806076-eximdsn-305513047 MIME-Version: 1.0 Subject: Mail delivery failed: returning message to sender Message-Id: <[email protected]> Date: Sun, 24 Apr 2022 09:14:36 -0400 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - X-AntiAbuse: Original Domain - X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - X-Get-Message-Sender-Via: sender_ident via received_protocol == local: mailnull/primary_hostname/system user X-Authenticated-Sender: mailnull X-Source: X-Source-Args: X-Source-Dir:


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