diff --git a/src/main.cpp b/src/main.cpp
index c25cdd84f..b78b5819d 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -183,8 +183,8 @@ int main(int argc, char* argv[]) {
     multi->setContentType(QHttpMultiPart::ContentType::MixedType);
     p1.setRawHeader("Content-Type", "application/http");
     p2.setRawHeader("Content-Type", "application/http");
-    p1.setBody("GET /gmail/v1/users/me/messages\r\n");
-    p2.setBody("GET /gmail/v1/users/me/labels\r\n");
+    p1.setBody("GET /gmail/v1/users/me/messages/15f3427a9f6d2728\r\n");
+    p2.setBody("GET /gmail/v1/users/me/messages/15f259a2c353589b\r\n");
     multi->append(p1);
     multi->append(p2);
     QNetworkRequest req;
@@ -210,7 +210,8 @@ int main(int argc, char* argv[]) {
    QObject::connect(srv, &OAuth2Service::tokensRetrieveError, [](QString err, QString desc) {
     int a = 5;
    });
-   srv->login();*/
+   srv->login();
+ */
 
   // Enter global event loop.
   return Application::exec();
diff --git a/src/services/gmail/definitions.h b/src/services/gmail/definitions.h
index 2e8a20bcd..f33db5582 100755
--- a/src/services/gmail/definitions.h
+++ b/src/services/gmail/definitions.h
@@ -10,8 +10,10 @@
 #define GMAIL_API_LABELS_LIST     "https://www.googleapis.com/gmail/v1/users/me/labels"
 #define GMAIL_API_MSGS_LIST       "https://www.googleapis.com/gmail/v1/users/me/messages"
 
-#define GMAIL_DEFAULT_BATCH_SIZE  100
+#define GMAIL_DEFAULT_BATCH_SIZE  50
 #define GMAIL_MAX_BATCH_SIZE      999
 #define GMAIL_MIN_BATCH_SIZE      20
 
+#define GMAIL_CONTENT_TYPE_HTTP   "application/http"
+
 #endif // GMAIL_DEFINITIONS_H
diff --git a/src/services/gmail/network/gmailnetworkfactory.cpp b/src/services/gmail/network/gmailnetworkfactory.cpp
index 713c788f6..1397d7464 100755
--- a/src/services/gmail/network/gmailnetworkfactory.cpp
+++ b/src/services/gmail/network/gmailnetworkfactory.cpp
@@ -16,6 +16,7 @@
 #include "services/gmail/gmailfeed.h"
 #include "services/gmail/gmailserviceroot.h"
 
+#include <QHttpMultiPart>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -329,6 +330,38 @@ void GmailNetworkFactory::onAuthFailed() {
 }
 
 bool GmailNetworkFactory::obtainAndDecodeFullMessages(const QList<Message>& lite_messages) {
+  QHttpMultiPart* multi = new QHttpMultiPart();
+
+  multi->setContentType(QHttpMultiPart::ContentType::MixedType);
+
+  foreach (const Message& msg, lite_messages) {
+    QHttpPart part;
+
+    part.setRawHeader(HTTP_HEADERS_CONTENT_TYPE, GMAIL_CONTENT_TYPE_HTTP);
+    QString full_msg_endpoint = QString("GET /gmail/v1/users/me/messages/%1\r\n").arg(msg.m_customId);
+
+    part.setBody(full_msg_endpoint.toUtf8());
+    multi->append(part);
+  }
+
+  QEventLoop loop;
+  QNetworkRequest req;
+  auto bearer = m_oauth2->bearer();
+
+  req.setRawHeader(QString("Authorization").toLocal8Bit(), bearer.toLocal8Bit());
+  req.setUrl(QUrl::fromUserInput("https://www.googleapis.com/batch"));
+  auto* repl = SilentNetworkAccessManager::instance()->post(req, multi);
+
+  connect(repl, &QNetworkReply::finished, &loop, &QEventLoop::quit);
+  loop.exec();
+
+  auto resp = repl->readAll();
+  auto aa = repl->error();
+
+  multi->deleteLater();
+  repl->deleteLater();
+  IOFactory::writeTextFile("b.html", resp);
+
   return false;
 }