A large number of spam increases the use of cpu and database connections how can i fix it? I enable dkim and spf but nothing change. I need help
Can you tell me if this tutorial its ok for my problem https://www.howtoforge.com/hardening-postfix-for-ispconfig-3
Is your host sending huge amounts of spam or is it receiving huge amounts of spam? The tutorial you mention helps in the latter case. If your server is sending spam, check mail log to find out which users are sending and disable those accounts while resolving the issue.
Code: Spam Complaint Information: [ SpamCop V4.9.0 ] This message is brief for your comfort. Please use links below for details. Email from 212.71.239.241 / Mon, 09 Apr 2018 16:18:07 +0200 [ Offending message ] Received: from myhostname ([23.212.0212.21]) by mxin016.mail.hostpoint.ch with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1 (FreeBSD)) (envelope-from <[email protected]>) id 1f5XcU-000Grp-W7 for x; Mon, 09 Apr 2018 16:18:07 +0200 Received: from localhost (localhost [127.0.0.1]) by myhostname (Postfix) with ESMTP id B58632A9C2A; Mon, 9 Apr 2018 17:18:05 +0300 (EEST) X-Virus-Scanned: Debian amavisd-new at imago.westweb.gr Received: from myhostname ([127.0.0.1]) by localhost (myhostname [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id olgJUdST_7Qo; Mon, 9 Apr 2018 17:18:05 +0300 (EEST) Received: from User (unknown [45.58.115.140]) (Authenticated sender: [email protected]) by imago.we(Postfix) with ESMTPA id 0EEDE2A9BEB; Mon, 9 Apr 2018 17:17:29 +0300 (EEST) Reply-To: <[email protected]> From: "Mr. Ebenezer Onyeagwu"<[email protected]> Subject: READ CAREFULLY Date: Mon, 9 Apr 2018 07:17:37 -0700 MIME-Version: 1.0 Content-Type: text/html; charset="Windows-1251" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Message-Id: <2018__________________9C2A@hhhhhhhhhr> X-Vs-State: SPAM X-Vs-Score: 300 X-Vs-Cause: This is the message from my povider I think that External emails treated as internal
you should make sure, that [email protected] is not sending spam and / or change the password for this account.
Thanks for your answer. I change the pass for this acount temporary i stop postfix because after changes to mainn.cf and master.cf smtpserver is offline . I look around for the deufault main.cf and master.cf
