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32 lines
1.2 KiB
HTML
32 lines
1.2 KiB
HTML
<header>Transport mapping</header>
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The optional transport file specifies a mapping from domain hierarchies to
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message delivery transports and/or relay hosts. The mapping is used by the
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trivial-rewrite(8) daemon.
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<p>
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The format of the transport table is as follows:
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<ul>
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<li><b><tt>domain</tt></b> mapped to.. <b><tt>transport:nexthop</tt></b>: Mail
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for domain is delivered through transport to nexthop.
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<li><b><tt>.domain</tt></b> mapped to.. <b><tt>transport:nexthop</tt></b>: Mail
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for any subdomain of domain is delivered through transport to nexthop.
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</ul>
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Note: transport map entries take precedence over domains specified in the
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<tt>mydestination</tt> parameter. If you use the optional transport map, it may
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be safer to specify explicit entries for all domains specified in
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mydestination, for example:
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<ul>
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<li><tt>hostname.my.domain</tt> ... <tt>local:</tt>
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<li><tt>localhost.my.domain</tt> ... <tt>local:</tt>
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</ul>
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The interpretation of the nexthop field is transport dependent. In the case of
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SMTP, specify <tt>host:service</tt> for a non-default server port, and use
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<tt>[host]</tt> or <tt>[host:port]</tt> in order to disable MX (mail exchanger)
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DNS lookups. The <tt>[]</tt> form can also be used with IP addresses instead of
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hostnames.
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<hr> |