[evolution] Document 'From field override' functionality

[Andre Klapper <aklapper src gnome org>]

commit 69efb73fae57ce24e48dd89b513e16d359153ef6
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Mar 10 20:59:10 2015 +0100

    Document 'From field override' functionality
    
    Bug 745154

 help/C/mail-composer-from-field-override.page |   35 +++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)
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diff --git a/help/C/mail-composer-from-field-override.page b/help/C/mail-composer-from-field-override.page
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+<page xmlns="http://projectmallard.org/1.0/"; xmlns:its="http://www.w3.org/2005/11/its";
+      type="topic" id="mail-composer-from-field-override">
+
+  <info>
+    <desc>Change the sender name and address on the fly by setting arbitrary values.</desc>
+    
+    <link type="guide" xref="index#mail-composing-advanced" />
+
+    <revision pkgversion="3.13.91" version="0.1" date="2015-03-10" status="draft"/>
+    <credit type="author">
+      <name its:translate="no">Andre Klapper</name>
+      <email its:translate="no">ak-47 gmx net</email>
+    </credit>
+    
+    <include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
+    
+
+  </info>
+
+<title>Overriding the "From" field</title>
+
+<p>To set a custom email address and sender name on a message you intend to send, enable 
<guiseq><gui>View</gui><gui>From Override Field</gui></guiseq> and change the default sender name and email 
address in the corresponding fields.</p>
+
+<!-- Translators: If no Wikipedia article exists for your language and you
+leave the URL untranslated and pointing to the English Wikipedia, you might
+want to indicate in your translation text that the link is in English. -->
+<p>This functionality can be useful for <link 
href="https://en.wikipedia.org/wiki/Qmail#Innovations";>wildcard mailboxes when using qmail</link> and <link 
href="https://en.wikipedia.org/wiki/Email_address#Address_tags";>sub-addressing</link>.</p>
+
+<!-- Translators: If no Wikipedia article exists for your language and you
+leave the URL untranslated and pointing to the English Wikipedia, you might
+want to indicate in your translation text that the link is in English. -->
+<note style="important"><p>Setting an arbitrary address might collide with your email provider's <link 
href="https://en.wikipedia.org/wiki/Sender_Policy_Framework";>Sender Policy Framework</link> and/or <link 
href="https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail";>DomainKeys Identified Mail</link> 
restrictions.</p></note>
+
+</page>
+