added a check in the make_reply function to ensure that mails have a body

core/mail-097f1cf1adf66ab1e18cb70b065e45914c084d52520436c74dab18d5055101cd

@@ -0,0 +1,26 @@
+Subject: test
+From: test1@test
+To: test2@test
+Message-ID: <1@test>
+Content-Type: multipart/alternative; boundary="abc"
+
+--abc
+Content-Type: text/plain; charset=utf-8
+
+test1
+
+--abc
+Content-Type: image/jpeg; name="test.jpg"
+Content-Disposition: inline; filename="test.jpg"
+Content-Transfer-Encoding: base64
+Content-ID: <1>
+X-Attachment-Id: 1
+
+dGVzdGltYWdl
+
+--abc
+Content-Type: text/plain; charset=utf-8
+
+test2
+
+--abc--