add faq item 'wrong EMAIL'.

books/base.py

@@ -240,6 +240,8 @@ def ParseFeedUrls(self):
             opener = URLOpener(self.host, timeout=timeout)
             result = opener.open(url)
             if result.status_code == 200 and result.content:
+                #debug_mail(result.content, 'feed.xml')
+
                 if self.feed_encoding:
                     try:
                         content = result.content.decode(self.feed_encoding)

static/faq.html

@@ -124,6 +124,7 @@ <h2>为什么我收不到推送的RSS？</h2>
         <ul><li>打开module-worker.yaml，将instance_class值修改为B4，然后重新上传。</li></ul>
     </li>
     <li>你输入的订阅地址不是合法的RSS/ATOM订阅（XML格式）。</li>
+    <li>如果RSS订阅源是Feedburner生成的，你可以在其链接之后添加一个查询字符串'?format=xml'，比如：http://xx.com/feed?format=xml.</li>
     </ol></p>
 
     <span id="whatisfulltext"></span>

static/faq_en.html

@@ -45,6 +45,7 @@ <h1><a href="/">KindleEar</a></h1>
         <li><a href="#pushseparate">What's the meaning of the "Separate" option for the built-in books?</a></li>
         <li><a href="#internalerror">How to solve it if website shows "internal server error" exception.</a></li>
         <li><a href="#savetopocket">How to use the feature 'Save to Pocket'?</a></li>
+        <li><a href="#wrongemail">My logs shows error 'wrong SRC_EMAIL'?</a></li>
       </ul>
     </div>
 
@@ -115,6 +116,7 @@ <h2>Why do I not receive the deliveries?</h2>
     <li>You haven't enabled the "Enable deliver custom rss" option, this option is at the bottom of the setting page.</li>
     <li>You haven't added your gmail address to Amazon's <a href="https://www.amazon.com/gp/digital/fiona/manage#pdocSettings" rel="external" target="_blank">'Approved Personal Document E-mail List'</a>.</li>
     <li>The content of the rss link isn't a valid XML format.</li>
+    <li>For those feeds generated by Feedburner, you can append a query string '?format=xml' to end of url, for example: http://xx.com/feed?format=xml.</li>
     </ol></p>
 
     <span id="whatisfulltext"></span>
@@ -268,6 +270,12 @@ <h2>How to use the feature 'Save to Pocket'?</h2>
     </ul>
     </p>
 
+    <span id="wrongemail"></span>
+    <h2>My logs shows error 'wrong SRC_EMAIL'?</h2>
+    <p class="answer">
+    Go to your <a href="https://console.developers.google.com/appengine/settings">GAE console</a>, in 'Settings' | 'Application settings' page, add your email into field 'Email API authorized senders'.
+    </p>
+
     <div id="footer">
         <div class="clear"></div>
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