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<h1 class="title"><a id="cone00index" shape="rect" name="cone00index"> </a><span class="application">Cone</span>
mail client</h1>
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<h1 class="title"><a id="id512028" shape="rect" name="id512028"> </a>Introduction</h1>
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<p><span class="application">Cone</span> is a screen-oriented
E-mail/News reader and writer. If you are reading this
documentation from within <span class="application">Cone</span>, you are actually reading the
simplified HTML version of <span class="application">Cone</span>'s documentation that's formatted as
a folder of E-mail messages. Each online tutorial chapter
appears as a separate message. Use <span class="keycap"><strong>PgUp</strong></span> and <span class="keycap"><strong>PgDn</strong></span> to read each chapter.
Press <span class="keycap"><strong>N</strong></span> and
<span class="keycap"><strong>P</strong></span> to move to the
next/previous chapter.</p>
<p>Pressing <span class="keycap"><strong>Q</strong></span> on
most screens exits <span class="application">Cone</span>.
<span class="application">Cone</span> tries to gracefully log
out and shut down all server connections. If <span class="application">Cone</span> cannot log out of a remote server
because the remote server is down, press <span class="keycap"><strong>CTRL</strong></span>-<span class="keycap"><strong>C</strong></span> (after <span class="keycap"><strong>Q</strong></span> to terminate <span class="application">Cone</span>).</p>
<p>Use <span class="keycap"><strong>CTRL</strong></span>-<span class="keycap"><strong>Z</strong></span> to temporarily suspend
<span class="application">Cone</span> and drop back to the
shell prompt. <span class="application">Cone</span> remains
suspended in the background, and may be restarted by using
the shell's <span class="command"><strong>fg</strong></span>
command.</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>Connections to remote mail servers may be disconnected
for inactivity if <span class="application">Cone</span>
remains suspended for a prolonged period of time. When
suspended, <span class="application">Cone</span> cannot
maintain any active connections to remote mail servers.</p>
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<p>It might be more convenient to browse the full HTML
documentation using your favorite web browser, at <a class="ulink" href="http://www.courier-mta.org/cone/cone00index.html" target="_top" shape="rect">http://www.courier-mta.org/cone/cone00index.html</a>.
When <span class="application">Cone</span> starts for the
first time, it automatically creates a fake mail account
called “<span class="quote">Online
Tutorial</span>”. This fake mail account contains a
stripped-down HTML version of the online documentation, which
you are reading now. The terminal display must be at least 80
characters wide in order to be able to read
“<span class="quote">Online Tutorial</span>”.</p>
<p>The “<span class="quote">Online
Tutorial</span>” mail account can always be removed,
but it might be convenient to keep it around for a quick
consultation, from time to time, even though the full HTML
version is a bit easier on the eyes.</p>
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<h4 class="title"><a id="id512493" shape="rect" name="id512493"> </a>Overview</h4>
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<p><span class="application">Cone</span> is a powerful, yet
simple, text-based mail reader. <span class="application">Cone</span> seamlessly handles multiple mail
accounts simultaneously. <span class="application">Cone</span> is capable of using the following
kinds of mail accounts:</p>
<div class="itemizedlist">
<ul type="disc">
<li>
<p>Local mail folders, or maildirs.</p>
</li>
<li>
<p>Remote POP3 and IMAP mail server accounts.</p>
</li>
<li>
<p>A simple newsgroup reader. <span class="application">Cone</span> doesn't have sophisticated
features found in dedicated newsreaders, and may be a
bit slow and memory hungry when reading large Usenet
newsgroups. However, <span class="application">Cone</span> will prove to be an
excellent, fast, reader of internal local newsgroups,
accessible via a remote login.</p>
</li>
<li>
<p>Experimental SMAP mail server accounts.</p>
</li>
</ul>
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<p><span class="application">Cone</span> contains an
experimental implementation of a new remote mail access
protocol, “<span class="quote">SMAP</span>”. At
this time, SMAP is implemented by the <a class="ulink" href="http://www.courier-mta.org" target="_top" shape="rect">Courier-IMAP</a> server. SMAP offers several
improvements over traditional IMAP-based mail accounts,
namely:</p>
<div class="itemizedlist">
<ul type="disc">
<li>
<p>Names of SMAP folders may use the full UTF-8
character set. Most IMAP servers restrict certain
characters from appearing in names of folders, due to
their special meaning in the IMAP folder
hierarchy.</p>
</li>
<li>
<p>Faster downloading of binary attachments. SMAP
requires approximately 25% less bandwidth to download
binary attachments.</p>
</li>
<li>
<p>Consolidated mail transmission. IMAP clients
usually need to transmit a message twice, when
mailing it. An IMAP client must first save the
message in the IMAP server's “<span class="quote">Sent Mail</span>” folder. Afterwards,
the IMAP client needs to send a second copy of the
message, using SMTP, in order to deliver it to the
listed recipients. When using SMAP, <span class="application">Cone</span> transmits the message only
one time; the server saves it to the
“<span class="quote">Sent Mail</span>”
folder, then mails it to its designated
recipients.</p>
<p>Of course, <span class="application">Cone</span>
is fully capable of using traditional SMTP, or
running the local <span class="command"><strong>sendmail</strong></span>
command.</p>
</li>
</ul>
</div>
<p>Other features of <span class="application">Cone</span>:</p>
<div class="itemizedlist">
<ul type="disc">
<li>
<p>Full SSL/TLS support with IMAP, POP3, NNTP, SMTP,
and SMAP. SASL CRAM-MD5/CRAM-SHA1 authentication
(except for NNTP).</p>
</li>
<li>
<p>Built-in editor for creating messages.</p>
</li>
<li>
<p>Full UTF-8 support (requires the wide-character
version of the <span class="application">Curses</span> library).</p>
</li>
<li>
<p>Spell checker.</p>
</li>
<li>
<p>Local and remote (IMAP or SMAP-based)
addressbooks.</p>
</li>
<li>
<p>Remote configuration (share a common configuration
between different instances of <span class="application">Cone</span>).</p>
</li>
<li>
<p><span class="application">Cone</span> tries to
automatically customize itself to user's preferences,
without requiring explicit configuration.
<span class="application">Cone</span> remembers the
sorting order of each opened folder's index. When a
folder is reopened, <span class="application">Cone</span> sorts the folder using the
same sort order used when the folder was opened last.
Similarly, <span class="application">Cone</span>
memorizes user-configured mail headers. <code class="literal">From:</code>, and several other, mail
headers are freely editable, and default to their
contents the last time a new message was sent by
replying to a message in the folder, or which was
created while that folder was opened. A
“<span class="quote">power user</span>”
can easily use multiple mail accounts with
<span class="application">Cone</span>, and
<span class="application">Cone</span> will select the
appropriate mail headers when replying to messages
from each mail account.</p>
</li>
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