+<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Chapter 6. Optional features</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><link rel="start" href="index.html" title="The Mutt E-Mail Client" /><link rel="up" href="index.html" title="The Mutt E-Mail Client" /><link rel="prev" href="mimesupport.html" title="Chapter 5. Mutt's MIME Support" /><link rel="next" href="tuning.html" title="Chapter 7. Performance tuning" /><style xmlns="" type="text/css">
+ body { margin-left:2%; margin-right:2%; font-family:serif; }
+.toc, .list-of-tables, .list-of-examples { font-family:sans-serif; }
+h1, h2, h3, h4, h5, h6 { font-family:sans-serif; }
+em.replaceable code { font-family:sans-serif; }
+p { text-align:justify; }
+div.table p.title, div.example p.title { font-size:smaller; font-family:sans-serif; }
+.email, .email a { font-family:monospace; }
+div.table-contents table { border-collapse:collapse; border:1px solid #c0c0c0; }
+div.table-contents table td, div.table-contents table th { padding:5px; text-align:left; }
+div.table-contents table th {
+ font-family:sans-serif;
+ background:#d0d0d0;
+ font-weight:normal;
+ vertical-align:top;
+}
+pre.screen, div.note { background:#f0f0f0; border:1px solid #c0c0c0; padding:5px; }
+div.note h3 { font-size:small; font-style:italic; font-variant: small-caps; }
+div.note h3:after { content: ":" }
+div.note { margin-bottom: 5px; }
+
+ </style></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 6. Optional features</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="mimesupport.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="tuning.html">Next</a></td></tr></table><hr /></div><div class="chapter" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="optionalfeatures"></a>Chapter 6. Optional features</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="optionalfeatures.html#optionalfeatures-notes">1. General notes</a></span></dt><dd><dl><dt><span class="sect2"><a href="optionalfeatures.html#compile-time-features">1.1. Enabling/disabling features</a></span></dt><dt><span class="sect2"><a href="optionalfeatures.html#url-syntax">1.2. URL syntax</a></span></dt></dl></dd><dt><span class="sect1"><a href="optionalfeatures.html#ssl">2. SSL/TLS Support</a></span></dt><dt><span class="sect1"><a href="optionalfeatures.html#pop">3. POP3 Support</a></span></dt><dt><span class="sect1"><a href="optionalfeatures.html#imap">4. IMAP Support</a></span></dt><dd><dl><dt><span class="sect2"><a href="optionalfeatures.html#imap-browser">4.1. The Folder Browser</a></span></dt><dt><span class="sect2"><a href="optionalfeatures.html#imap-authentication">4.2. Authentication</a></span></dt></dl></dd><dt><span class="sect1"><a href="optionalfeatures.html#smtp">5. SMTP Support</a></span></dt><dt><span class="sect1"><a href="optionalfeatures.html#account-hook">6. Managing multiple accounts</a></span></dt><dt><span class="sect1"><a href="optionalfeatures.html#caching">7. Local caching</a></span></dt><dd><dl><dt><span class="sect2"><a href="optionalfeatures.html#header-caching">7.1. Header caching</a></span></dt><dt><span class="sect2"><a href="optionalfeatures.html#body-caching">7.2. Body caching</a></span></dt><dt><span class="sect2"><a href="optionalfeatures.html#maint-cache">7.3. Maintenance</a></span></dt></dl></dd><dt><span class="sect1"><a href="optionalfeatures.html#exact-address">8. Exact address generation</a></span></dt></dl></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="optionalfeatures-notes"></a>1. General notes</h2></div></div></div><div class="sect2" lang="en" xml:lang="en"><div class="titlepage"><div><div><h3 class="title"><a id="compile-time-features"></a>1.1. Enabling/disabling features</h3></div></div></div><p>