Increased network timeouts

.idea/misc.xml

@@ -30,7 +30,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -72,9 +72,9 @@ public class MessageHelper {
         props.put("mail.imaps.starttls.enable", "false");
 
         // TODO: make timeouts configurable?
-        props.put("mail.imaps.connectiontimeout", "20000");
-        props.put("mail.imaps.timeout", "20000");
-        props.put("mail.imaps.writetimeout", "20000"); // one thread overhead
+        props.put("mail.imaps.connectiontimeout", "60000");
+        props.put("mail.imaps.timeout", "60000");
+        props.put("mail.imaps.writetimeout", "60000"); // one thread overhead
 
         props.put("mail.imaps.connectionpooltimeout", Integer.toString(3 * 60 * 1000)); // default: 45 sec