</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><literal>outgoing_fallback_to_ascii</literal></term>
+ <listitem>
+ <para>
+ 0 or 1. The outgoing encoding of a message will use 7bit US-ASCII
+ whenever it is suitable for the message content, ignoring the
+ Outgoing Encoding option unless it is necessary. Turning this
+ option off forces the user-defined encoding to be used, regardless
+ of message content. Default is 1, turned on.
+ </para>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><literal>respect_flowed_format</literal></term>
<listitem>