188 lines
6.8 KiB
HTML
188 lines
6.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<HEAD>
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<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
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<TITLE>Linux Mail-Queue mini-HOWTO: NON dial-on-demand solutions PART</TITLE>
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<LINK HREF="Mail-Queue-3.html" REL=next>
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<LINK HREF="Mail-Queue-1.html" REL=previous>
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<LINK HREF="Mail-Queue.html#toc2" REL=contents>
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</HEAD>
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<BODY>
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<A HREF="Mail-Queue-3.html">Next</A>
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<A HREF="Mail-Queue-1.html">Previous</A>
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<A HREF="Mail-Queue.html#toc2">Contents</A>
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<HR>
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<H2><A NAME="s2">2. NON dial-on-demand solutions PART</A></H2>
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<P>Written by Leif Erlingsson <leif@lege.com>.
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<P>The original version of this part contained a lot of unnecessary
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stuff. This is all it takes, really...
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<P>
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<H2><A NAME="ss2.1">2.1 Starting sendmail</A>
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</H2>
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<P>Slackware et al: /etc/rc.d/rc.M:
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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echo "Starting sendmail daemon (/usr/sbin/sendmail -bd -os) [queue only mode]..."
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/usr/sbin/sendmail -bd -os # NOT "-bd -q 15m", the "standard" flags!
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<P>RedHat et al: /etc/rc.d/init.d/sendmail.init:
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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echo -n "Starting sendmail: [queue only mode]"
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daemon sendmail -bd -os # NOT daemon sendmail -bd -q1h
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<P>The -os is not really essential, all it does is this:
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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SuperSafe [s] Be super-safe when running things, i.e.,
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always instantiate the queue file, even if
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you are going to attempt immediate delivery.
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Sendmail always instantiates the queue file
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before returning control the client under
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any circumstances. This should really
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always be set.
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<P>This should already be configured in the default sendmail.cf anyway.
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<P>
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<H2><A NAME="ss2.2">2.2 Configuring sendmail</A>
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</H2>
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<P>Serious sendmail users use the m4 source for this. I recommend
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this solution if you ever plan on upgrading sendmail and also
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make anything but trivial changes to sendmail.cf.
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<P>If you never intend to fix sendmail so envelope return headers
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et al works even though you might be on dynamic dial in IP or
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something, then you may not need to get the m4 source.
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<P>
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<H3>Configuring sendmail.cf directly, for trivial configurations</H3>
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<P>This way of doing things is extremeley version dependent vs.
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sendmail.cf versions. The following solution is *only* valid
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for sendmail-8.8.x.
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<P>Edit /etc/sendmail.cf:
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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# avoid connecting to "expensive" mailers on initial submission?
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O HoldExpensive=True
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>... later ...
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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##### @(#)smtp.m4 8.33 (Berkeley) 7/9/96 #####
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Msmtp, P=[IPC], F=mDFMuXe, S=11/31, R=21, E=\r\n, L=990,
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T=DNS/RFC822/SMTP,
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A=IPC $h
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Mesmtp, P=[IPC], F=mDFMuXae, S=11/31, R=21, E=\r\n, L=990,
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T=DNS/RFC822/SMTP,
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A=IPC $h
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Msmtp8, P=[IPC], F=mDFMuX8e, S=11/31, R=21, E=\r\n, L=990,
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T=DNS/RFC822/SMTP,
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A=IPC $h
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Mrelay, P=[IPC], F=mDFMuXa8e, S=11/31, R=61, E=\r\n, L=2040,
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T=DNS/RFC822/SMTP,
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A=IPC $h
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<P>The important flag above is ``e''. Don't fuss if the other flags
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look different in your file. Keep your flags as-is, only add ``e''
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to your flags according to the above examples, unless it's there
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already. ``e'' marks the mailers as ``expensive''.
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<P>
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<H3>Configuring sendmail.cf using m4 source</H3>
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<P>In the following I will, for simplicity, assume that the sendmail
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version is 8.8.7. If you have a different version, replace 8.8.7
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with that version number below! Also, the instructions will not
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work for older versions of sendmail. Get the latest sendmail!
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<P>
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<P>Download the sendmail source.
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Try ``http://WWW.Sendmail.ORG'' or possibly ``ftp.sendmail.org''.
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<P>
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<P>I also recommend that you obtain my patch for allowing envelope
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sender reverse aliasing and other nice stuff to really make you
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take control over your mail environment.
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<P>Write to ``Sendmail Patch <sendmail@lege.com>'',
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Subject: ``sendmail-8.8.7'', if 8.8.7 is your sendmail version.
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<P>They are also available from ``http://www.lege.com'', as is
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the sgml source of this mini-HOWTO!
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<P>You don't have to get my patches in order to get ``Queue Remote
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Mail + Deliver Local Mail'' to work. My patches solve other
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things. But I just thought this would be a nice place to mention
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them, as many Linux users will find them extremely useful.
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(They will even give you properly working virtual domains, if you
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like. The virtual domains don't have to be ``local''. They will
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give you ``xaliases'', or in other words ``reverse aliasing''.)
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<P>Unpack the sendmail source. You may get /usr/src/sendmail-8.8.7/.
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cd /usr/src/sendmail-8.8.7/cf
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<P>Now overlay my patch, if you want it, otherwise skip this step:
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If you don't want to use procmail as Local Delivery Agent, save
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away your /usr/src/sendmail-8.8.7/cf/ostype/linux.m4 before
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doing this...
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Save my patch to ``/tmp/sendmail-8.8.7-cf-cpio-idcmu.gz'', then...
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<BLOCKQUOTE><CODE>
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<PRE>
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cd /usr/src/sendmail-8.8.7/cf
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gzip -dc < /tmp/sendmail-8.8.7-cf-cpio-idcmu.gz | cpio -idcmu
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</PRE>
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</CODE></BLOCKQUOTE>
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If you didn't want to use procmail, write back the saved copy of
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/usr/src/sendmail-8.8.7/cf/ostype/linux.m4 again.
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<P>And regardless of if you applied my patch or not, you must make
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sure these lines or very similar ones are added to
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/usr/src/sendmail-8.8.7/cf/cf/yourhostname.smtp.mc
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(but if you applied my patch you may want to investigate filenames
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containing the word ``elijah'', under /usr/src/sendmail-8.8.7/cf):
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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dnl # Defer Delivery to "expensive" mailers until next time the
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dnl # queue is processed using "O HoldExpensive=True" and make
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dnl # sure smtp mailers are "expensive".
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dnl # (See original "sendmail" book Chapter 30: Options,
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dnl # "Oc - Don't connect to expensive mailers", or
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dnl # 2nd Edition "sendmail" book Chapter 34.8.29,
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dnl # "HoldExpensive (c), Queue for expensive mailers".)
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dnl # / Leif Erlingsson <leif@lege.com>
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define(`confCON_EXPENSIVE', `True')
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define(SMTP_MAILER_FLAGS, e)
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MAILER(local)dnl
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MAILER(smtp)dnl
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</PRE>
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</CODE></BLOCKQUOTE>
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<P>
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<H2><A NAME="ss2.3">2.3 Menu support suggestions</A>
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</H2>
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<P>The 1.x versions of this document contained Menu support
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suggestions for /var/X11R6/lib/fvwm/system.fvwmrc. I have
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dropped those in the current version, but they are available on
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request:
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<P>
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<P>Write to ``Menu support suggestions <fvwmrc@lege.com>'',
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Subject: ``Menu support suggestions''
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<P>
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<P>
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<HR>
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<A HREF="Mail-Queue-3.html">Next</A>
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<A HREF="Mail-Queue-1.html">Previous</A>
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<A HREF="Mail-Queue.html#toc2">Contents</A>
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</BODY>
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</HTML>
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