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mutt-1.5.12 源代码。linux 下邮件接受的工具。

will be appended to the message.
</p><p>
Once you have finished editing the body of your mail message, you are
returned to the <span class="emphasis"><em>compose</em></span> menu.  The following functions are available:
</p><p>

</p><div class="table"><a id="id2679219"></a><p class="title"><b>Table聽2.7.聽Most common compose menu keys</b></p><table summary="Most common compose menu keys" border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Key</th><th>Function</th><th>Description</th></tr></thead><tbody><tr><td>a</td><td>attach-file</td><td>attach a file</td></tr><tr><td>A</td><td>attach-message</td><td>attach message(s) to the message</td></tr><tr><td>ESC k</td><td>attach-key</td><td>attach a PGP public key</td></tr><tr><td>d</td><td>edit-description</td><td>edit description on attachment</td></tr><tr><td>D</td><td>detach-file</td><td>detach a file</td></tr><tr><td>t</td><td>edit-to</td><td>edit the To field</td></tr><tr><td>ESC f</td><td>edit-from</td><td>edit the From field</td></tr><tr><td>r</td><td>edit-reply-to</td><td>edit the Reply-To field</td></tr><tr><td>c</td><td>edit-cc</td><td>edit the Cc field</td></tr><tr><td>b</td><td>edit-bcc</td><td>edit the Bcc field</td></tr><tr><td>y</td><td>send-message</td><td>send the message</td></tr><tr><td>s</td><td>edit-subject</td><td>edit the Subject</td></tr><tr><td>S</td><td>smime-menu</td><td>select S/MIME options</td></tr><tr><td>f</td><td>edit-fcc</td><td>specify an ``Fcc'' mailbox</td></tr><tr><td>p</td><td>pgp-menu</td><td>select PGP options</td></tr><tr><td>P</td><td>postpone-message</td><td>postpone this message until later</td></tr><tr><td>q</td><td>quit</td><td>quit (abort) sending the message</td></tr><tr><td>w</td><td>write-fcc</td><td>write the message to a folder</td></tr><tr><td>i</td><td>ispell</td><td>check spelling (if available on your system)</td></tr><tr><td>^F</td><td>forget-passphrase</td><td>wipe passphrase(s) from memory</td></tr></tbody></table></div><p>

</p><p>
<span class="bold"><strong>Note:</strong></span> The attach-message function will prompt you for a folder to
attach messages from. You can now tag messages in that folder and they
will be attached to the message you are sending. Note that certain
operations like composing a new mail, replying, forwarding, etc. are
not permitted when you are in that folder. The %r in <a href="reference.html#status-format" title="3.266.聽status_format">$status_format</a> will change to
a 'A' to indicate that you are in attach-message mode.
</p><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="id2679461"></a>4.1.聽Editing the message header</h3></div></div></div><p>
When editing the header of your outgoing message, there are a couple of
special features available.
</p><p>
If you specify

<code class="literal">Fcc:</code> <span class="emphasis"><em>filename</em></span>

Mutt will pick up <span class="emphasis"><em>filename</em></span>
just as if you had used the <span class="emphasis"><em>edit-fcc</em></span> function in the <span class="emphasis"><em>compose</em></span> menu.
</p><p>
You can also attach files to your message by specifying

<code class="literal">Attach:</code> <span class="emphasis"><em>filename</em></span>  [ <span class="emphasis"><em>description</em></span> ]

where <span class="emphasis"><em>filename</em></span> is the file to attach and <span class="emphasis"><em>description</em></span> is an
optional string to use as the description of the attached file.
</p><p>
When replying to messages, if you remove the <span class="emphasis"><em>In-Reply-To:</em></span> field from
the header field, Mutt will not generate a <span class="emphasis"><em>References:</em></span> field, which
allows you to create a new message thread.
</p><p>
Also see <a href="reference.html#edit-headers" title="3.46.聽edit_headers">$edit_headers</a>.
</p></div><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="id2679550"></a>4.2.聽Using Mutt with PGP</h3></div></div></div><p>
If you want to use PGP, you can specify 
</p><p>
<code class="literal">Pgp:</code> [ <code class="literal">E</code> | <code class="literal">S</code> | <code class="literal">S</code><span class="emphasis"><em>&lt;id&gt;</em></span> ] 

</p><p>
``E'' encrypts, ``S'' signs and
``S&lt;id&gt;'' signs with the given key, setting <a href="reference.html#pgp-sign-as" title="3.155.聽pgp_sign_as">$pgp_sign_as</a> permanently.
</p><p>
If you have told mutt to PGP encrypt a message, it will guide you
through a key selection process when you try to send the message.
Mutt will not ask you any questions about keys which have a
certified user ID matching one of the message recipients' mail
addresses.  However, there may be situations in which there are
several keys, weakly certified user ID fields, or where no matching
keys can be found.
</p><p>
In these cases, you are dropped into a menu with a list of keys from
which you can select one.  When you quit this menu, or mutt can't
find any matching keys, you are prompted for a user ID.  You can, as
usually, abort this prompt using <code class="literal">^G</code>.  When you do so, mutt will
return to the compose screen.
</p><p>
Once you have successfully finished the key selection, the message
will be encrypted using the selected public keys, and sent out.
</p><p>
Most fields of the entries in the key selection menu (see also <a href="reference.html#pgp-entry-format" title="3.147.聽pgp_entry_format">$pgp_entry_format</a>) 
have obvious meanings.  But some explanations on the capabilities, flags, 
and validity fields are in order.
</p><p>
The flags sequence (%f) will expand to one of the following flags:

</p><div class="table"><a id="id2679450"></a><p class="title"><b>Table聽2.8.聽PGP key menu flags</b></p><table summary="PGP key menu flags" border="1"><colgroup><col /><col /></colgroup><thead><tr><th>Flag</th><th>Description</th></tr></thead><tbody><tr><td>R</td><td>The key has been revoked and can't be used.</td></tr><tr><td>X</td><td>The key is expired and can't be used.</td></tr><tr><td>d</td><td>You have marked the key as disabled.</td></tr><tr><td>c</td><td>There are unknown critical self-signature packets.</td></tr></tbody></table></div><p>

</p><p>
The capabilities field (%c) expands to a two-character sequence
representing a key's capabilities.  The first character gives
the key's encryption capabilities: A minus sign (<span class="bold"><strong>-</strong></span>) means 
that the key cannot be used for encryption.  A dot (<span class="bold"><strong>.</strong></span>) means that
it's marked as a signature key in one of the user IDs, but may 
also be used for encryption.  The letter <span class="bold"><strong>e</strong></span> indicates that 
this key can be used for encryption.
</p><p>
The second character indicates the key's signing capabilities.  Once 
again, a ``<span class="bold"><strong>-</strong></span>'' implies ``not for signing'', ``<span class="bold"><strong>.</strong></span>'' implies
that the key is marked as an encryption key in one of the user-ids, and
``<span class="bold"><strong>s</strong></span>'' denotes a key which can be used for signing.
</p><p>
Finally, the validity field (%t) indicates how well-certified a user-id
is.  A question mark (<span class="bold"><strong>?</strong></span>) indicates undefined validity, a minus 
character (<span class="bold"><strong>-</strong></span>) marks an untrusted association, a space character 
means a partially trusted association, and a plus character (<span class="bold"><strong>+</strong></span>) 
indicates complete validity.
</p></div><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="id2679785"></a>4.3.聽Sending anonymous messages via mixmaster.</h3></div></div></div><p>
You may also have configured mutt to co-operate with Mixmaster, an
anonymous remailer.  Mixmaster permits you to send your messages
anonymously using a chain of remailers. Mixmaster support in mutt is for 
mixmaster version 2.04 (beta 45 appears to be the latest) and 2.03. 
It does not support earlier versions or the later so-called version 3 betas, 
of which the latest appears to be called 2.9b23.
</p><p>
To use it, you'll have to obey certain restrictions.  Most
important, you cannot use the <code class="literal">Cc</code> and <code class="literal">Bcc</code> headers.  To tell
Mutt to use mixmaster, you have to select a remailer chain, using
the mix function on the compose menu.
</p><p>
The chain selection screen is divided into two parts.  In the
(larger) upper part, you get a list of remailers you may use.  In
the lower part, you see the currently selected chain of remailers.
</p><p>
You can navigate in the chain using the <code class="literal">chain-prev</code> and
<code class="literal">chain-next</code> functions, which are by default bound to the left
and right arrows and to the <code class="literal">h</code> and <code class="literal">l</code> keys (think vi
keyboard bindings).  To insert a remailer at the current chain
position, use the <code class="literal">insert</code> function.  To append a remailer behind
the current chain position, use <code class="literal">select-entry</code> or <code class="literal">append</code>.
You can also delete entries from the chain, using the corresponding
function.  Finally, to abandon your changes, leave the menu, or
<code class="literal">accept</code> them pressing (by default) the <code class="literal">Return</code> key.
</p><p>
Note that different remailers do have different capabilities,
indicated in the %c entry of the remailer menu lines (see
<a href="reference.html#mix-entry-format" title="3.123.聽mix_entry_format">$mix_entry_format</a>).  Most important is
the ``middleman'' capability, indicated by a capital ``M'': This
means that the remailer in question cannot be used as the final
element of a chain, but will only forward messages to other
mixmaster remailers.  For details on the other capabilities, please
have a look at the mixmaster documentation.
</p></div></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="forwarding-mail"></a>5.聽Forwarding and Bouncing Mail</h2></div></div></div><p>
Bouncing and forwarding let you send an existing message to recipients
that you specify.  Bouncing a message uses the <a href="reference.html#sendmail" title="3.248.聽sendmail">$sendmail</a> command to send a copy to alternative addresses as if
they were the message's original recipients.  Forwarding a message, on
the other hand, allows you to modify the message before it is resent
(for example, by adding your own comments).
</p><p>
The following keys are bound by default:
</p><p>

</p><div class="table"><a id="id2679944"></a><p class="title"><b>Table聽2.9.聽Message forwarding/bouncing keys</b></p><table summary="Message forwarding/bouncing keys" border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Key</th><th>Function</th><th>Description</th></tr></thead><tbody><tr><td>f</td><td>forward</td><td>forward message</td></tr><tr><td>b</td><td>bounce</td><td>bounce (remail) message</td></tr></tbody></table></div><p>

</p><p>
Forwarding can be done by including the original message in the new
message's body (surrounded by indicating lines) or including it as a MIME
attachment, depending on the value of the <a href="reference.html#mime-forward" title="3.120.聽mime_forward">$mime_forward</a> variable.  Decoding of attachments,
like in the pager, can be controlled by the <a href="reference.html#forward-decode" title="3.58.聽forward_decode">$forward_decode</a> and <a href="reference.html#mime-forward-decode" title="3.121.聽mime_forward_decode">$mime_forward_decode</a> variables,
respectively.  The desired forwarding format may depend on the content,
therefore <span class="emphasis"><em>$mime_forward</em></span> is a quadoption which, for
example, can be set to ``ask-no''.
</p><p>
The inclusion of headers is controlled by the current setting of the
<a href="reference.html#weed" title="3.287.聽weed">$weed</a> variable, unless <a href="reference.html#mime-forward" title="3.120.聽mime_forward">$mime_forward</a> is set.
</p><p>
Editing the message to forward follows the same procedure as sending or
replying to a message does.
</p></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="postponing-mail"></a>6.聽Postponing Mail</h2></div></div></div><p>
At times it is desirable to delay sending a message that you have
already begun to compose.  When the <span class="emphasis"><em>postpone-message</em></span> function is
used in the <span class="emphasis"><em>compose</em></span> menu, the body of your message and attachments
are stored in the mailbox specified by the <a href="reference.html#postponed" title="3.217.聽postponed">$postponed</a> variable.  This means that you can recall the
message even if you exit Mutt and then restart it at a later time.
</p><p>
Once a message is postponed, there are several ways to resume it.  From the
command line you can use the ``-p'' option, or if you <span class="emphasis"><em>compose</em></span> a new
message from the <span class="emphasis"><em>index</em></span> or <span class="emphasis"><em>pager</em></span> you will be prompted if postponed
messages exist.  If multiple messages are currently postponed, the
<span class="emphasis"><em>postponed</em></span> menu will pop up and you can select which message you would
like to resume.
</p><p>
<span class="bold"><strong>Note:</strong></span> If you postpone a reply to a message, the reply setting of
the message is only updated when you actually finish the message and
send it.  Also, you must be in the same folder with the message you
replied to for the status of the message to be updated.
</p><p>
See also the <a href="reference.html#postpone" title="3.216.聽postpone">$postpone</a> quad-option.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="intro.html">Prev</a>聽</td><td width="20%" align="center">聽</td><td width="40%" align="right">聽<a accesskey="n" href="configuration.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter聽1.聽Introduction聽</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">聽Chapter聽3.聽Configuration</td></tr></table></div></body></html>