53 lines
1.6 KiB
HTML
53 lines
1.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
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<!--Converted with LaTeX2HTML 96.1-c (Feb 29, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds -->
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<HTML>
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<HEAD>
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<TITLE>aliases</TITLE>
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</HEAD>
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<BODY LANG="EN">
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<A HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="contents_motif.gif"></A> <BR>
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<B> Next:</B> <A HREF="node240.html">Rarely Used Tables</A>
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<B>Up:</B> <A HREF="node234.html">A Tour of Sendmail+IDA </A>
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<B> Previous:</B> <A HREF="node238.html">domaintable</A>
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<BR> <P>
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<H2><A NAME="SECTION0017450000">aliases</A></H2>
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<P>
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<A NAME="8435"></A>
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<A NAME="8436"></A>
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<A NAME="8437"></A>
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<P>
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Aliases permit a number of things to happen:
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<P>
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<UL><LI>
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They provide a shorthand or well-known name for mail to be addressed
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to in order to go to one or more persons.<LI>
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They invoke a program with the mail message as the input to the
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program.<LI>
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They send mail to a file.
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</UL>
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<P>
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<A NAME="8438"></A>
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All systems require aliases for Postmaster and MAILER-DAEMON to
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be RFC-compliant.
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<P>
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Always be extremely aware of security when defining aliases that invoke
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programs or write to programs since sendmail generally runs setuid-root.
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<P>
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Changes to the aliases file do not take effect until the command
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<P>
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<P><P>
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<P>
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is executed to build the required dbm tables. This can also be done by
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executing the newaliases command, usually from cron.
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<P>
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Details concerning mail aliases may be found in the aliases(5) manual
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page.
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<P>
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<P><P><BR> <HR>
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<P><ADDRESS>
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<I>Andrew Anderson <BR>
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Thu Mar 7 23:22:06 EST 1996</I>
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</ADDRESS>
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</BODY>
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</HTML>
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