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The $# metasymbol causes this rule to resolve to a specific mailer, smtp in our case. The $@ resolves the target host. In our example, the target host is specified as $2.$m., which is the fully qualified domain name of the host on in our domain. The FQDN is constructed of the hostname component assigned to $2 from our lefthand side with our domain name (.$m.) appended. The $: metasymbol specifies the target user, which we again captured from the lefthand side and had stored in $1. We preserve the contents of the <> section, and any trailing text, using the data we collected from the lefthand side of the rule. Since this rule resolves to a mailer, the message is forwarded to the mailer for delivery. In our example, the message would be forwarded to the destination host using the SMTP protocol. Prev Home Next Generating the sendmail.cf File Up Configuring sendmail Options

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