diff --git a/cockatrice/src/window_main.cpp b/cockatrice/src/window_main.cpp
index f5fd8308..1933c8de 100644
--- a/cockatrice/src/window_main.cpp
+++ b/cockatrice/src/window_main.cpp
@@ -443,6 +443,9 @@ void MainWindow::registerError(Response::ResponseCode r, QString reasonStr, quin
         case Response::RespEmailRequiredToRegister:
             QMessageBox::critical(this, tr("Registration denied"), tr("It's mandatory to specify a valid email address when registering."));
             break;
+        case Response::RespEmailBlackListed:
+            QMessageBox::critical(this, tr("Registration denied"), tr("The email address provider used during registration has been blacklisted for use on this server."));
+            break;
         case Response::RespTooManyRequests:
             QMessageBox::critical(this, tr("Registration denied"), tr("Too many registration attempts, please try again later or contact the server operator for further details."));
             break;
diff --git a/common/pb/response.proto b/common/pb/response.proto
index 4648bb38..0768c64f 100644
--- a/common/pb/response.proto
+++ b/common/pb/response.proto
@@ -39,6 +39,7 @@ message Response {
         RespClientIdRequired = 34; // Server requires client to generate and send its client id before allowing access
         RespClientUpdateRequired = 35; // Client is missing features that the server is requiring
         RespServerFull = 36; // Server user limit reached
+        RespEmailBlackListed = 37; // Server has blacklisted the email address provided for registration
     }
     enum ResponseType {
         JOIN_ROOM = 1000;
diff --git a/servatrice/servatrice.ini.example b/servatrice/servatrice.ini.example
index 75bb33a4..e2f7530c 100644
--- a/servatrice/servatrice.ini.example
+++ b/servatrice/servatrice.ini.example
@@ -144,6 +144,13 @@ disallowedregexp=""
 ; using the same email address. 0 = Unlimited number of accounts (default).
 ;maxaccountsperemail=0 
 
+; You can prevent users from using certain mail domains for registration.  This setting contains a
+; comma-seperated list of email provider domains that you would like to prevent users from using
+; during registration. Comparison's are implicit, so placing an entry such as mail.com will also
+; prevent users from registering accounts with providers such as gmail.com and hotmail.com  
+; Example: "10minutemail.com,gmail.com"
+;emailproviderblacklist=""
+
 [smtp]
 
 ; Enable the internal smtp client to send registration emails.  If you would like to
diff --git a/servatrice/src/servatrice.cpp b/servatrice/src/servatrice.cpp
index e3c77086..5895fdf0 100644
--- a/servatrice/src/servatrice.cpp
+++ b/servatrice/src/servatrice.cpp
@@ -240,6 +240,8 @@ bool Servatrice::initServer()
     qDebug() << "Accept registered users only: " << getRegOnlyServerEnabled();
     qDebug() << "Registration enabled: " << getRegistrationEnabled();
     if (getRegistrationEnabled()) {
+        QStringList emailBlackListFilters = getEmailBlackList().split(",", QString::SkipEmptyParts);
+        qDebug() << "Email blacklist: " << emailBlackListFilters;
         qDebug() << "Require email address to register: " << getRequireEmailForRegistrationEnabled();
         qDebug() << "Require email activation via token: " << getRequireEmailActivationEnabled();
         if (getMaxAccountsPerEmail()) { qDebug() << "Maximum number of accounts per email: " << getMaxAccountsPerEmail(); } else { qDebug() << "Maximum number of accounts per email: unlimited"; }
@@ -843,4 +845,8 @@ int Servatrice::getMaxAccountsPerEmail() const {
 
 bool Servatrice::getEnableInternalSMTPClient() const {
     return settingsCache->value("smtp/enableinternalsmtpclient", true).toBool();
+}
+
+QString Servatrice::getEmailBlackList() const {
+    return settingsCache->value("registration/emailproviderblacklist").toString();
 }
\ No newline at end of file
diff --git a/servatrice/src/servatrice.h b/servatrice/src/servatrice.h
index 4eb2e17e..b7dbf827 100644
--- a/servatrice/src/servatrice.h
+++ b/servatrice/src/servatrice.h
@@ -180,6 +180,7 @@ public:
     QString getAuthenticationMethodString() const;
     QString getDBTypeString() const;
     QString getDbPrefix() const { return dbPrefix; }
+    QString getEmailBlackList() const;
     AuthenticationMethod getAuthenticationMethod() const { return authenticationMethod; }
     bool permitUnregisteredUsers() const { return authenticationMethod != AuthenticationNone; }
     bool getGameShouldPing() const { return true; }
diff --git a/servatrice/src/serversocketinterface.cpp b/servatrice/src/serversocketinterface.cpp
index dcfecd94..ae130b5e 100644
--- a/servatrice/src/serversocketinterface.cpp
+++ b/servatrice/src/serversocketinterface.cpp
@@ -881,7 +881,19 @@ Response::ResponseCode AbstractServerSocketInterface::cmdRegisterAccount(const C
     if (!registrationEnabled)
         return Response::RespRegistrationDisabled;
 
+    QString emailBlackList = servatrice->getEmailBlackList();
     QString emailAddress = QString::fromStdString(cmd.email());
+    QStringList emailBlackListFilters = emailBlackList.split(",", QString::SkipEmptyParts);
+
+    // verify that users email/provider is not blacklisted
+    if (!emailBlackList.trimmed().isEmpty()) {
+        foreach(QString blackListEmailAddress, emailBlackListFilters) {
+            if (emailAddress.contains(blackListEmailAddress, Qt::CaseInsensitive)) {
+                return Response::RespEmailBlackListed;
+            }
+        }
+    }
+
     bool requireEmailForRegistration = settingsCache->value("registration/requireemail", true).toBool();
     if (requireEmailForRegistration)
     {