Issue #718414 by johnv: Added feeds mapper for email field.

email.feeds.inc

+<?php
+/**
+ * @file
+ * Integration with the Feeds module.
+ */
+
+/**
+ * Implements hook_feeds_processor_targets_alter().
+ *
+ * @see FeedsNodeProcessor::getMappingTargets().
+ */
+function email_feeds_processor_targets_alter(&$targets, $entity_type, $bundle_name) {
+  foreach (field_info_instances($entity_type, $bundle_name) as $name => $instance) {
+    $info = field_info_field($name);
+    if (in_array($info['type'], array('email'))) {
+      $targets[$name] = array(
+        'name' => $instance['label'],
+        'callback' => 'email_feeds_set_target',
+        'description' => t('The @label field of the node.', array('@label' => $instance['label'])),
+      );
+    }
+  }
+}
+
+/**
+ * Callback function for mapping email field.
+ *
+ * This function is invoked via hook_feeds_processor_targets_alter().
+ * Here is where the actual mapping happens.
+ *
+ * @param $target
+ *   the name of the field the user has decided to map to.
+ * @param $value
+ *   the value of the feed item element the user has picked as a source.
+ */
+function email_feeds_set_target($source, $entity, $target, $value) {
+  $value = is_array($value) ? $value : array($value);
+
+  $info = field_info_field($target);
+
+  // Iterate over all values.
+  $i = 0;
+  $field = isset($entity->$target) ? $entity->$target : array();
+  foreach ($value as $v) {
+    if (!is_array($v) && !is_object($v)) {
+      $field[LANGUAGE_NONE][$i]['email'] = $v;
+    }
+    if ($info['cardinality'] == 1) {
+      break;
+    }
+    $i++;
+  }
+
+  $entity->{$target} = $field;
+}