diff --git a/resources/sql/autopatches/20141013.phortunecartkey.sql b/resources/sql/autopatches/20141013.phortunecartkey.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20141013.phortunecartkey.sql
@@ -0,0 +1,2 @@
+ALTER TABLE {$NAMESPACE}_phortune.phortune_cart
+  ADD mailKey BINARY(20) NOT NULL;
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2568,6 +2568,7 @@
     'PhortuneCartListController' => 'applications/phortune/controller/PhortuneCartListController.php',
     'PhortuneCartPHIDType' => 'applications/phortune/phid/PhortuneCartPHIDType.php',
     'PhortuneCartQuery' => 'applications/phortune/query/PhortuneCartQuery.php',
+    'PhortuneCartReplyHandler' => 'applications/phortune/mail/PhortuneCartReplyHandler.php',
     'PhortuneCartSearchEngine' => 'applications/phortune/query/PhortuneCartSearchEngine.php',
     'PhortuneCartTransaction' => 'applications/phortune/storage/PhortuneCartTransaction.php',
     'PhortuneCartTransactionQuery' => 'applications/phortune/query/PhortuneCartTransactionQuery.php',
@@ -5638,6 +5639,7 @@
     'PhortuneCartListController' => 'PhortuneController',
     'PhortuneCartPHIDType' => 'PhabricatorPHIDType',
     'PhortuneCartQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'PhortuneCartReplyHandler' => 'PhabricatorMailReplyHandler',
     'PhortuneCartSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'PhortuneCartTransaction' => 'PhabricatorApplicationTransaction',
     'PhortuneCartTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
diff --git a/src/applications/fund/editor/FundInitiativeEditor.php b/src/applications/fund/editor/FundInitiativeEditor.php
--- a/src/applications/fund/editor/FundInitiativeEditor.php
+++ b/src/applications/fund/editor/FundInitiativeEditor.php
@@ -261,6 +261,18 @@
       ->addHeader('Thread-Topic', $monogram);
   }
 
+  protected function buildMailBody(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+
+    $body = parent::buildMailBody($object, $xactions);
+
+    $body->addTextSection(
+      pht('INITIATIVE DETAIL'),
+      PhabricatorEnv::getProductionURI('/'.$object->getMonogram()));
+
+    return $body;
+  }
 
   protected function getMailTo(PhabricatorLiskDAO $object) {
     return array($object->getOwnerPHID());
diff --git a/src/applications/phortune/editor/PhortuneCartEditor.php b/src/applications/phortune/editor/PhortuneCartEditor.php
--- a/src/applications/phortune/editor/PhortuneCartEditor.php
+++ b/src/applications/phortune/editor/PhortuneCartEditor.php
@@ -92,4 +92,76 @@
     return parent::applyCustomExternalTransaction($object, $xaction);
   }
 
+  protected function shouldSendMail(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+    return true;
+  }
+
+  protected function buildMailTemplate(PhabricatorLiskDAO $object) {
+    $id = $object->getID();
+    $name = $object->getName();
+
+    return id(new PhabricatorMetaMTAMail())
+      ->setSubject(pht('Order %d: %s', $id, $name))
+      ->addHeader('Thread-Topic', pht('Order %s', $id));
+  }
+
+  protected function buildMailBody(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+
+    $body = parent::buildMailBody($object, $xactions);
+
+    $items = array();
+    foreach ($object->getPurchases() as $purchase) {
+      $name = $purchase->getFullDisplayName();
+      $price = $purchase->getTotalPriceAsCurrency()->formatForDisplay();
+
+      $items[] = "{$name} {$price}";
+    }
+
+    $body->addTextSection(pht('ORDER CONTENTS'), implode("\n", $items));
+
+    $body->addTextSection(
+      pht('ORDER DETAIL'),
+      PhabricatorEnv::getProductionURI('/phortune/cart/'.$object->getID().'/'));
+
+    return $body;
+  }
+
+  protected function getMailTo(PhabricatorLiskDAO $object) {
+    $phids = array();
+
+    // Relaod the cart to pull merchant and account information, in case we
+    // just created the object.
+    $cart = id(new PhortuneCartQuery())
+      ->setViewer($this->requireActor())
+      ->withPHIDs(array($object->getPHID()))
+      ->executeOne();
+
+    foreach ($cart->getAccount()->getMemberPHIDs() as $account_member) {
+      $phids[] = $account_member;
+    }
+
+    foreach ($cart->getMerchant()->getMemberPHIDs() as $merchant_member) {
+      $phids[] = $merchant_member;
+    }
+
+    return $phids;
+  }
+
+  protected function getMailCC(PhabricatorLiskDAO $object) {
+    return array();
+  }
+
+  protected function getMailSubjectPrefix() {
+    return 'Order';
+  }
+
+  protected function buildReplyHandler(PhabricatorLiskDAO $object) {
+    return id(new PhortuneCartReplyHandler())
+      ->setMailReceiver($object);
+  }
+
 }
diff --git a/src/applications/phortune/editor/PhortuneMerchantEditor.php b/src/applications/phortune/editor/PhortuneMerchantEditor.php
--- a/src/applications/phortune/editor/PhortuneMerchantEditor.php
+++ b/src/applications/phortune/editor/PhortuneMerchantEditor.php
@@ -111,5 +111,4 @@
     return $errors;
   }
 
-
 }
diff --git a/src/applications/phortune/mail/PhortuneCartReplyHandler.php b/src/applications/phortune/mail/PhortuneCartReplyHandler.php
new file mode 100644
--- /dev/null
+++ b/src/applications/phortune/mail/PhortuneCartReplyHandler.php
@@ -0,0 +1,38 @@
+<?php
+
+final class PhortuneCartReplyHandler extends PhabricatorMailReplyHandler {
+
+  public function validateMailReceiver($mail_receiver) {
+    if (!($mail_receiver instanceof PhortuneCart)) {
+      throw new Exception('Mail receiver is not a PhortuneCart!');
+    }
+  }
+
+  public function getPrivateReplyHandlerEmailAddress(
+    PhabricatorObjectHandle $handle) {
+    return $this->getDefaultPrivateReplyHandlerEmailAddress($handle, 'CART');
+  }
+
+  public function getPublicReplyHandlerEmailAddress() {
+    return $this->getDefaultPublicReplyHandlerEmailAddress('CART');
+  }
+
+  public function getReplyHandlerDomain() {
+    return PhabricatorEnv::getEnvConfig('metamta.reply-handler-domain');
+  }
+
+  public function getReplyHandlerInstructions() {
+    if ($this->supportsReplies()) {
+      // TODO: Implement.
+      return null;
+    } else {
+      return null;
+    }
+  }
+
+  protected function receiveEmail(PhabricatorMetaMTAReceivedMail $mail) {
+    // TODO: Implement.
+    return null;
+  }
+
+}
diff --git a/src/applications/phortune/storage/PhortuneCart.php b/src/applications/phortune/storage/PhortuneCart.php
--- a/src/applications/phortune/storage/PhortuneCart.php
+++ b/src/applications/phortune/storage/PhortuneCart.php
@@ -17,6 +17,7 @@
   protected $cartClass;
   protected $status;
   protected $metadata = array();
+  protected $mailKey;
 
   private $account = self::ATTACHABLE;
   private $purchases = self::ATTACHABLE;
@@ -514,6 +515,7 @@
       self::CONFIG_COLUMN_SCHEMA => array(
         'status' => 'text32',
         'cartClass' => 'text128',
+        'mailKey' => 'bytes20',
       ),
       self::CONFIG_KEY_SCHEMA => array(
         'key_account' => array(
@@ -531,6 +533,13 @@
       PhortuneCartPHIDType::TYPECONST);
   }
 
+  public function save() {
+    if (!$this->getMailKey()) {
+      $this->setMailKey(Filesystem::readRandomCharacters(20));
+    }
+    return parent::save();
+  }
+
   public function attachPurchases(array $purchases) {
     assert_instances_of($purchases, 'PhortunePurchase');
     $this->purchases = $purchases;
diff --git a/src/applications/phortune/storage/PhortuneCartTransaction.php b/src/applications/phortune/storage/PhortuneCartTransaction.php
--- a/src/applications/phortune/storage/PhortuneCartTransaction.php
+++ b/src/applications/phortune/storage/PhortuneCartTransaction.php
@@ -22,6 +22,15 @@
     return null;
   }
 
+  public function shouldHideForMail(array $xactions) {
+    switch ($this->getTransactionType()) {
+      case self::TYPE_CREATED:
+        return true;
+    }
+
+    return parent::shouldHideForMail($xactions);
+  }
+
   public function getTitle() {
     $old = $this->getOldValue();
     $new = $this->getNewValue();