mynetworks_style is the method used to generate the default value for the mynetworks parameter.mydestination is the list of domains that are delivered via the mail delivery transport.myhostname is the internet hostname of this mail system, use the FQDN.
In the SpamAssassin options, uncheck the AS_ROOT for security reasons (Figure 4).Ĭonfigure Postfix by editing the /usr/local/etc/postfix/main.cf file (Listing 1), with some basic parameters described below: The cleaned messages are then delivered to the internal mail server.īefore you install the applications, it is necessary to update the FreeBSD ports tree to ensure you use the patched versions. It is delivered to the incoming folder where it is analyzed by SpamAssassin and ClamAV and then delivered to the quarantine or queue folders. Figure 2 shows how the mail is scanned by the MailScanner. The email gateway is responsible for analyzing, filtering, and cleaning or removing malicious files and messages (Figure 1).
Mailscanner spamassassin how to#
This article will show you how to prevent viruses, spam and malware by configuring a FreeBSD email gateway system using MailScanner, SpamAssassin, ClamAV and Postfix. Malware can spread quickly, infecting dozens of mailboxes and relentless spammers send thousands of messages with unsolicited advertising and phishing scams. Controlling inbound and outbound mail messages is a big challenge for sysadmins.
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