diff --git a/dev/buildbot/master/master.cfg b/dev/buildbot/master/master.cfg
index fd73ea24..1807fd1d 100644
--- a/dev/buildbot/master/master.cfg
+++ b/dev/buildbot/master/master.cfg
@@ -42,7 +42,7 @@ mn = mail.MailNotifier(fromaddr="buildbot@coolprop.dreamhosters.com",
                          mode=('problem'),
                          extraRecipients=["jowr@ipu.dk", "ian.h.bell@gmail.com"],
                          #useTls=True,
-                         relayhost="homie.mail.dreamhost.com",
+                         relayhost="smtp.dreamhost.com",
                          smtpPort=587, smtpUser=email_auth['user'],
                          smtpPassword=email_auth['pass'])
 
@@ -705,14 +705,14 @@ def mathcad_slave():
     factory.addStep(MakeDirectory(dir=working_folder+'/mathcad15', haltOnFailure = True))
     factory.addStep(RemoveDirectory(dir="build/install_root", haltOnFailure = False))
     
-    # # ***************
-    # # Build the MathCAD 15 dll
-    # # ***************
-    # factory.addStep(ShellCommand(command=' '.join(["cmake", "../..", 
-    #   "-DCOOLPROP_MATHCAD15_MODULE=ON","-G", '"Visual Studio 10 2010"', '-DCOOLPROP_MATHCAD15_ROOT="C:/Program Files (x86)/Mathcad/Mathcad 15"']),
-    #                              workdir= working_folder+'/mathcad15',
-    #                              haltOnFailure = True))
-    # factory.addStep(ShellCommand(command=["cmake", "--build", ".", "--target", "install", "--config", "Release"], workdir = working_folder+'/mathcad15', haltOnFailure = True))
+    # ***************
+    # Build the MathCAD 15 dll
+    # ***************
+    factory.addStep(ShellCommand(command=' '.join(["cmake", "../..", 
+      "-DCOOLPROP_MATHCAD15_MODULE=ON","-G", '"Visual Studio 14 2015"', '-DCOOLPROP_MATHCAD15_ROOT="C:/Program Files (x86)/Mathcad/Mathcad 15"']),
+                                 workdir= working_folder+'/mathcad15',
+                                 haltOnFailure = True))
+    factory.addStep(ShellCommand(command=["cmake", "--build", ".", "--target", "install", "--config", "Release"], workdir = working_folder+'/mathcad15', haltOnFailure = True))
     
     # *************************
     # Build the MathCAD PRIME dll