To do this, in the MailScanner configuration go to the section called “Watermarking” and set the options Use Watermarking, Add Watermark, and Check Watermarks with no sender to no, then click Change. Unfortunately there is a bug in this system where read receipts from certain mail programs, which are sent with no sender so they look like bounces but they do not contain the watermark, are being marked as spam by MailScanner.Until this bug is fixed in MailScanner, if you are experiencing this problem we would recommend that you disable the watermarking feature. If a bounce does NOT contain the watermark, it is marked as spam. ![]() The first setting on the Spam Filters overview page is Process New Emails and Mark them as. The source was first made widely available in April 2001. To configure it, select Spam Filters in the Email section of the cPanel Home interface. SpamAssassin is an open-source Apache Project located in cPanel under the Spam Filter settings. To empty the spam folder or remove selected messages, click Configure Spam Box Settings. The spam was not actually sent from your server, but your server receives the bounces from these spams.Watermarking in MailScanner adds an encrypted ‘watermark’ to each mail sent through your server, and any legitimate bounces (emails with a null sender) should contain this watermark. SpamAssassin is fully integrated into the cPanel interface, and you can tweak its settings to get exactly the right spam filtering functionality for your users. Joe-jobbing is when a spammer sends out email from a spoofed email address on your server. Save your changes and then restart spamd: /scripts/restartsrvspamd. For example, to change the RDNSNONE rule score to 6 add the following: SCORE RDNSNONE 6. Make a backup of the following file and then open it in a text editor: /etc/mail/spamassassin/local.cf. ![]() The nf file on your server determines how cPanel & WHM updates your system. Login to the server via SSH as the root user. The most recent version of MailScanner contains a new feature called watermarking which is designed to prevent so-called backscatter bounces from joe-jobbing. The cPanel & WHM Update Configuration File - nf.
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