diff --git a/src/cpp/HTTPInterface/LoginPage.cpp b/src/cpp/HTTPInterface/LoginPage.cpp
index a70f08f66..37ef25349 100644
--- a/src/cpp/HTTPInterface/LoginPage.cpp
+++ b/src/cpp/HTTPInterface/LoginPage.cpp
@@ -36,6 +36,12 @@ void LoginPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::
 			response.redirect(uri_start + "/");
 			return;
 		}
+	} else {
+		// remove old cookies if exist
+		auto keks = Poco::Net::HTTPCookie("GRADIDO_LOGIN", std::to_string(mHandleId))
+		// max age of 0 delete cookie
+		keks.setMaxAge(0);
+		response.addCookie(keks);
 	}
 	
 	std::ostream& _responseStream = response.send();
@@ -72,7 +78,7 @@ void LoginPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::
 	responseStream << "\t<div class=\"grd_container\">\n";
 	responseStream << "\t\t<h1>Login</h1>\n";
 	responseStream << "\t\t";
-#line 56 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\login.cpsp"
+#line 62 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\login.cpsp"
 	responseStream << ( session->getErrorsHtml() );
 	responseStream << "\n";
 	responseStream << "\t\t<fieldset class=\"grd_container_small\">\n";
diff --git a/src/cpp/HTTPInterface/PageRequestHandlerFactory.cpp b/src/cpp/HTTPInterface/PageRequestHandlerFactory.cpp
index a3a511611..67af9dcc5 100644
--- a/src/cpp/HTTPInterface/PageRequestHandlerFactory.cpp
+++ b/src/cpp/HTTPInterface/PageRequestHandlerFactory.cpp
@@ -28,10 +28,12 @@ Poco::Net::HTTPRequestHandler* PageRequestHandlerFactory::createRequestHandler(c
 	std::string url_first_part;
 	mRemoveGETParameters.extract(uri, url_first_part);
 
-	printf("[PageRequestHandlerFactory] uri: %s, first part: %s\n", uri.data(), url_first_part.data());
-	auto referer = request.find("Referer");
-	if (referer != request.end()) {
-		printf("referer: %s\n", referer->second.data());
+	if (uri != "/favicon.ico") {
+		printf("[PageRequestHandlerFactory] uri: %s, first part: %s\n", uri.data(), url_first_part.data());
+		auto referer = request.find("Referer");
+		if (referer != request.end()) {
+			printf("referer: %s\n", referer->second.data());
+		}
 	}
 
 	// check if user has valid session
@@ -41,18 +43,25 @@ Poco::Net::HTTPRequestHandler* PageRequestHandlerFactory::createRequestHandler(c
 	int session_id = 0;
 
 	try {
-		session_id = atoi(cookies.get("user").data());
+		session_id = atoi(cookies.get("GRADIDO_LOGIN").data());
 	} catch (...) {}
 	auto sm = SessionManager::getInstance();
 	auto s = sm->getSession(session_id);
+
+	// TODO: count invalid session requests from IP and block IP for some time to prevent brute force session hijacking
+	// or use log file and configure fail2ban for this to do
 	
 	if (url_first_part == "/checkEmail") {
 		//return new CheckEmailPage(s);
-		return handleCheckEmail(s, uri, request);
+		if (!s || s->getSessionState() < SESSION_STATE_EMAIL_VERIFICATION_CODE_CHECKED) {
+			return handleCheckEmail(s, uri, request);
+		}
 	}
 	if (s) {
 		if(url_first_part == "/logout") {
 			sm->releseSession(s);
+			// remove cookie
+			
 			printf("session released\n");
 			return new LoginPage;
 		}
@@ -97,15 +106,26 @@ Poco::Net::HTTPRequestHandler* PageRequestHandlerFactory::handleCheckEmail(Sessi
 	// try to get code from form get parameter
 	if (!form.empty()) {
 		try {
-			verificationCode = stoll(form.get("email-verification-code", "0"));
+			verificationCode = stoull(form.get("email-verification-code", "0"));
 		} catch (...) {}
 	}
 	// try to get code from uri parameter
 	if (!verificationCode) {
 		size_t pos = uri.find_last_of("/");
 		try {
-			verificationCode = stoll(uri.substr(pos + 1));
-		} catch (...) {}
+			auto str = uri.substr(pos + 1);
+			verificationCode = stoull(uri.substr(pos + 1));
+		} catch (const std::invalid_argument& ia) {
+			std::cerr << "Invalid argument: " << ia.what() << '\n';
+		} catch (const std::out_of_range& oor) {
+			std::cerr << "Out of Range error: " << oor.what() << '\n';
+		}
+		catch (const std::logic_error & ler) {
+			std::cerr << "Logical error: " << ler.what() << '\n';
+		}
+		catch (...) {
+			std::cerr << "Unknown error" << '\n';
+		}
 	}
 
 	// if no verification code given or error with given code, show form
@@ -138,6 +158,9 @@ Poco::Net::HTTPRequestHandler* PageRequestHandlerFactory::handleCheckEmail(Sessi
 	}
 	// suitable session found or created
 	if (session) {
+		auto user_host = request.clientAddress().host();
+		session->setClientIp(user_host);
+
 		// update session, mark as verified 
 		if (session->updateEmailVerification(verificationCode)) {
 			return new PassphrasePage(session);
diff --git a/src/cpp/HTTPInterface/PassphrasePage.cpp b/src/cpp/HTTPInterface/PassphrasePage.cpp
index d38f888c2..4b34f5bbd 100644
--- a/src/cpp/HTTPInterface/PassphrasePage.cpp
+++ b/src/cpp/HTTPInterface/PassphrasePage.cpp
@@ -35,10 +35,7 @@ void PassphrasePage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	bool hasErrors = mSession->errorCount() > 0;
 	
 	// save login cookie, because maybe we've get an new session
-	auto cookie_id = mSession->getHandle();
-	auto user_host = request.clientAddress().host();
-	mSession->setClientIp(user_host);
-	response.addCookie(Poco::Net::HTTPCookie("user", std::to_string(cookie_id)));
+	response.addCookie(mSession->getLoginCookie());
 	
 	if (!form.empty()) {
 		auto registerKeyChoice = form.get("passphrase", "");
@@ -97,18 +94,18 @@ void PassphrasePage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "<body>\n";
 	responseStream << "<div class=\"grd_container\">\n";
 	responseStream << "\t";
-#line 78 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 75 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
  if(mSession && hasErrors) {	responseStream << "\n";
 	responseStream << "\t\t";
-#line 79 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 76 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
 	responseStream << ( mSession->getErrorsHtml() );
 	responseStream << "\n";
 	responseStream << "\t";
-#line 80 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 77 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
 } 	responseStream << "\n";
 	responseStream << "\t<h1>Einen neuen Account anlegen</h1>\n";
 	responseStream << "\t";
-#line 82 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 79 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
  if(state == PAGE_SHOW_PASSPHRASE) {	responseStream << "\n";
 	responseStream << "\t\t<div class=\"grd_text-max-width\">\n";
 	responseStream << "\t\t\t<div class=\"grd_text\">\n";
@@ -116,16 +113,16 @@ void PassphrasePage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t\t\t</div>\n";
 	responseStream << "\t\t\t<div class=\"grd_textarea\">\n";
 	responseStream << "\t\t\t\t";
-#line 88 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 85 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
 	responseStream << ( mSession->getPassphrase() );
 	responseStream << "\n";
 	responseStream << "\t\t\t</div>\n";
 	responseStream << "\t\t\t<a href=\"/saveKeys\">Weiter</a>\n";
 	responseStream << "\t\t</div>\n";
 	responseStream << "\t";
-#line 92 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 89 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
  } else if(state == PAGE_ASK_PASSPHRASE) { 	responseStream << "\n";
-	responseStream << "\t<form method=\"POST\">\n";
+	responseStream << "\t<form method=\"POST\" action=\"/passphrase\">\n";
 	responseStream << "\t\t<fieldset class=\"grd_container_small\">\n";
 	responseStream << "\t\t\t<legend>Neue Gradido Adresse anlegen / wiederherstellen</legend>\n";
 	responseStream << "\t\t\t<p>Hast du schonmal ein Gradido Konto besessen?</p>\n";
@@ -138,7 +135,7 @@ void PassphrasePage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t\t\t\t<label class=\"grd_radio_label\" for=\"passphrase-new-no\">Ja, bitte wiederherstellen!</label>\n";
 	responseStream << "\t\t\t</p>\n";
 	responseStream << "\t\t\t<textarea style=\"width:100%;height:100px\" name=\"passphrase-existing\">";
-#line 105 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 102 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
 	responseStream << ( !form.empty() ? form.get("passphrase-existing", "") : "" );
 	responseStream << "</textarea>\n";
 	responseStream << "\t\t</fieldset>\n";
@@ -146,13 +143,13 @@ void PassphrasePage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t\t\n";
 	responseStream << "\t</form>\n";
 	responseStream << "\t";
-#line 110 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 107 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
  } else { 	responseStream << "\n";
 	responseStream << "\t\t<div class=\"grd_text\">\n";
 	responseStream << "\t\t\tUngültige Seite, wenn du das siehst stimmt hier etwas nicht. Bitte wende dich an den Server-Admin. \n";
 	responseStream << "\t\t</div>\n";
 	responseStream << "\t";
-#line 114 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
+#line 111 "I:\\Code\\C++\\Eigene_Projekte\\Gradido_LoginServer\\src\\cpsp\\passphrase.cpsp"
  } 	responseStream << "\n";
 	responseStream << "</div>\n";
 	responseStream << "</body>\n";
diff --git a/src/cpp/ServerConfig.cpp b/src/cpp/ServerConfig.cpp
index 6e61d1e2b..975dbb8be 100644
--- a/src/cpp/ServerConfig.cpp
+++ b/src/cpp/ServerConfig.cpp
@@ -17,12 +17,16 @@ using Poco::Net::ConsoleCertificateHandler;
 using Poco::SharedPtr;
 
 namespace ServerConfig {
+
+#define SESSION_TIMEOUT_DEFAULT 10
+
 	Mnemonic g_Mnemonic_WordLists[MNEMONIC_MAX];
 	ObfusArray* g_ServerCryptoKey = nullptr;
 //	std::string g_ServerAdminPublic;
 	UniLib::controller::CPUSheduler* g_CPUScheduler = nullptr;
 	Context::Ptr g_SSL_CLient_Context = nullptr;
 	EmailAccount g_EmailAccount;
+	int g_SessionTimeout = SESSION_TIMEOUT_DEFAULT;
 
 	bool loadMnemonicWordLists()
 	{
@@ -66,6 +70,8 @@ namespace ServerConfig {
 		g_ServerCryptoKey = new ObfusArray(realBinSize, key);
 
 		//g_ServerAdminPublic = cfg.getString("crypto.server_admin_public");
+
+		g_SessionTimeout = cfg.getInt("session.timeout", SESSION_TIMEOUT_DEFAULT);
 		return true;
 	}
 
diff --git a/src/cpp/ServerConfig.h b/src/cpp/ServerConfig.h
index d7fc84b69..1c08f3fa0 100644
--- a/src/cpp/ServerConfig.h
+++ b/src/cpp/ServerConfig.h
@@ -27,6 +27,7 @@ namespace ServerConfig {
 	extern UniLib::controller::CPUSheduler* g_CPUScheduler;
 	extern Poco::Net::Context::Ptr g_SSL_CLient_Context;
 	extern EmailAccount g_EmailAccount;
+	extern int g_SessionTimeout;
 
 	bool loadMnemonicWordLists();
 	bool initServerCrypto(const Poco::Util::LayeredConfiguration& cfg);
diff --git a/src/cpp/SingletonManager/SessionManager.cpp b/src/cpp/SingletonManager/SessionManager.cpp
index c4764ee14..4b2cede5a 100644
--- a/src/cpp/SingletonManager/SessionManager.cpp
+++ b/src/cpp/SingletonManager/SessionManager.cpp
@@ -1,4 +1,6 @@
 #include "SessionManager.h"
+#include "ErrorManager.h"
+#include "../ServerConfig.h"
 
 #include <sodium.h>
 
@@ -33,10 +35,10 @@ bool SessionManager::init()
 		case VALIDATE_EMAIL: mValidations[i] = new Poco::RegularExpression("^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$"); break;
 		case VALIDATE_PASSWORD: mValidations[i] = new Poco::RegularExpression("^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[@$!%*?&+-])[A-Za-z0-9@$!%*?&+-]{8,}$"); break;
 		case VALIDATE_PASSPHRASE: mValidations[i] = new Poco::RegularExpression("^(?:[a-z]* ){23}[a-z]*\s*$"); break;
-		case VALIDATE_HAS_NUMBER: mValidations[i] = new Poco::RegularExpression("[0-9]"); break;
-		case VALIDATE_HAS_SPECIAL_CHARACTER: mValidations[i] = new Poco::RegularExpression("[@$!%*?&+-]"); break;
-		case VALIDATE_HAS_UPPERCASE_LETTER: mValidations[i] = new Poco::RegularExpression("[A-Z]"); break;
-		case VALIDATE_HAS_LOWERCASE_LETTER: mValidations[i] = new Poco::RegularExpression("[a-z]"); break;
+		case VALIDATE_HAS_NUMBER: mValidations[i] = new Poco::RegularExpression(".*[0-9].*"); break;
+		case VALIDATE_HAS_SPECIAL_CHARACTER: mValidations[i] = new Poco::RegularExpression(".*[@$!%*?&+-].*"); break;
+		case VALIDATE_HAS_UPPERCASE_LETTER: mValidations[i] = new Poco::RegularExpression(".*[A-Z].*"); break;
+		case VALIDATE_HAS_LOWERCASE_LETTER: mValidations[i] = new Poco::RegularExpression(".*[a-z].*"); break;
 		default: printf("[SessionManager::%s] unknown validation type\n", __FUNCTION__);
 		}
 	}
@@ -77,6 +79,25 @@ bool SessionManager::isValid(const std::string& subject, SessionValidationTypes
 	return *mValidations[validationType] == subject;
 }
 
+int SessionManager::generateNewUnusedHandle()
+{
+	int newHandle = 0;
+	int maxTrys = 0;
+	do {
+		newHandle = randombytes_random();
+		maxTrys++;
+	} while (mRequestSessionMap.find(newHandle) != mRequestSessionMap.end() && maxTrys < 100);
+
+	if (maxTrys >= 100 || 0 == newHandle) {
+		auto em = ErrorManager::getInstance();
+		em->addError(new ParamError("SessionManager::generateNewUnusedHandle", "can't find new handle, have already ", std::to_string(mRequestSessionMap.size())));
+		em->sendErrorsAsEmail();
+		//printf("[SessionManager::%s] can't find new handle, have already: %d",
+		//__FUNCTION__, mRequestSessionMap.size());
+		return 0;
+	}
+	return newHandle;
+}
 
 Session* SessionManager::getNewSession(int* handle)
 {
@@ -84,15 +105,22 @@ Session* SessionManager::getNewSession(int* handle)
 		printf("[SessionManager::%s] not initialized any more\n", __FUNCTION__);
 		return nullptr;
 	}
+
+	// first check if we have any timeouted session to directly reuse it
+	checkTimeoutSession();
+
 	// lock 
 	mWorkingMutex.lock();
 
+	//UniLib::controller::TaskPtr checkSessionTimeout(new CheckSessionTimeouted);
+	//checkSessionTimeout->scheduleTask(checkSessionTimeout);
+
 	// check if we have an existing session ready to use 
-	if (mEmptyRequestStack.size() > 0) {	
+	while (mEmptyRequestStack.size() > 0) {	
 		int local_handle = mEmptyRequestStack.top();
 		mEmptyRequestStack.pop();
 		auto resultIt = mRequestSessionMap.find(local_handle);
-		if (resultIt != mRequestSessionMap.end()) {
+		if (resultIt != mRequestSessionMap.end() && !resultIt->second->isActive()) {
 			Session* result = resultIt->second;
 			result->reset();
 			mWorkingMutex.unlock();
@@ -100,38 +128,34 @@ Session* SessionManager::getNewSession(int* handle)
 			if (handle) {
 				*handle = local_handle;
 			}
+			result->setActive(true);
 			return result;
 		}
 	}
-	else {
-		// else create new RequestSession Object
-		// calculate random handle
-		// check if already exist, if get new
-		int newHandle = 0;
-		int maxTrys = 0;
-		do {
-			newHandle = randombytes_random();
-			maxTrys++;
-		} while (mRequestSessionMap.find(newHandle) != mRequestSessionMap.end() && maxTrys < 100);
-
-		if (maxTrys >= 100 || 0 == newHandle) {
-			printf("[SessionManager::%s] can't find new handle, have already: %d",
-				__FUNCTION__, mRequestSessionMap.size());
-			return nullptr;
-		}
-
-		auto requestSession = new Session(newHandle);
-		mRequestSessionMap.insert(std::pair<int, Session*>(newHandle, requestSession));
+	
+	// else create new RequestSession Object
+	// calculate random handle
+	// check if already exist, if get new
+	int newHandle = generateNewUnusedHandle();
+	if (!newHandle) {
 		mWorkingMutex.unlock();
-
-		if (handle) {
-			*handle = newHandle;
-		}
-
-		return requestSession;
+		return nullptr;
 	}
 
-	return nullptr;
+	auto requestSession = new Session(newHandle);
+	mRequestSessionMap.insert(std::pair<int, Session*>(newHandle, requestSession));
+
+	requestSession->setActive(true);
+	mWorkingMutex.unlock();
+
+	if (handle) {
+		*handle = newHandle;
+	}
+	
+	return requestSession;
+	
+
+	//return nullptr;
 }
 
 bool SessionManager::releseSession(int requestHandleSession)
@@ -147,8 +171,25 @@ bool SessionManager::releseSession(int requestHandleSession)
 		mWorkingMutex.unlock();
 		return false;
 	}
-	it->second->reset();
-	mEmptyRequestStack.push(requestHandleSession);
+	Session* session = it->second;
+	session->reset();
+	session->setActive(false);
+	// change request handle we don't want session hijacking
+	
+	int newHandle = generateNewUnusedHandle();
+	// erase after generating new number to prevent to getting the same number again
+	mRequestSessionMap.erase(requestHandleSession);
+
+	if (!newHandle) {
+		delete session;
+		mWorkingMutex.unlock();
+		return true;
+	}
+	
+	session->setHandle(newHandle);
+	mRequestSessionMap.insert(std::pair<int, Session*>(newHandle, session));
+	mEmptyRequestStack.push(newHandle);
+	
 	mWorkingMutex.unlock();
 
 	return true;
@@ -181,6 +222,8 @@ Session* SessionManager::getSession(int handle)
 	auto it = mRequestSessionMap.find(handle);
 	if (it != mRequestSessionMap.end()) {
 		result = it->second;
+		result->setActive(true);
+		result->updateTimeout();
 	}
 	mWorkingMutex.unlock();
 	return result;
@@ -188,11 +231,47 @@ Session* SessionManager::getSession(int handle)
 
 Session* SessionManager::findByEmailVerificationCode(long long emailVerificationCode)
 {
+	Session* result = nullptr;
+	mWorkingMutex.lock();
 	for (auto it = mRequestSessionMap.begin(); it != mRequestSessionMap.end(); it++) {
 		if (it->second->getEmailVerificationCode() == emailVerificationCode) {
-			return it->second;
+			result = it->second;
+			break;
 		}
 	}
+	mWorkingMutex.unlock();
 
-	return nullptr;
+	return result;
+}
+
+void SessionManager::checkTimeoutSession()
+{
+	mWorkingMutex.lock();
+	auto now = Poco::DateTime();
+	// random variance within 10 seconds for timeout to make it harder to get information and hack the server
+	auto timeout = Poco::Timespan(ServerConfig::g_SessionTimeout * 60, randombytes_random() % 10000000);
+	std::stack<int> toRemove;
+	for (auto it = mRequestSessionMap.begin(); it != mRequestSessionMap.end(); it++) {
+		if (!it->second->isActive()) continue;
+		Poco::Timespan timeElapsed(now - it->second->getLastActivity());
+		if (timeElapsed > timeout) {
+			toRemove.push(it->first);
+		}
+	}
+	mWorkingMutex.unlock();
+
+	while (toRemove.size() > 0) {
+		int handle = toRemove.top();
+		toRemove.pop();
+		releseSession(handle);
+	}
+	
+}
+
+
+
+int CheckSessionTimeouted::run()
+{
+	SessionManager::getInstance()->checkTimeoutSession();
+	return 0;
 }
\ No newline at end of file
diff --git a/src/cpp/SingletonManager/SessionManager.h b/src/cpp/SingletonManager/SessionManager.h
index 0b214131a..6998e5cc6 100644
--- a/src/cpp/SingletonManager/SessionManager.h
+++ b/src/cpp/SingletonManager/SessionManager.h
@@ -46,6 +46,7 @@ public:
 	}
 	bool releseSession(int requestHandleSession);
 	bool isExist(int requestHandleSession);
+	// try to find existing session, return nullptr if not found
 	Session* getSession(int handle);
 	Session* findByEmailVerificationCode(long long emailVerificationCode);
 
@@ -54,9 +55,12 @@ public:
 
 	bool isValid(const std::string& subject, SessionValidationTypes validationType);
 
+	void checkTimeoutSession();
+
 protected:
 	SessionManager();
 
+	int generateNewUnusedHandle();
 
 	// access mutex
 	std::mutex mWorkingMutex;
@@ -71,4 +75,11 @@ protected:
 	Poco::RegularExpression*  mValidations[VALIDATE_MAX];
 };
 
+class CheckSessionTimeouted : public UniLib::controller::CPUTask
+{
+public:
+	virtual int run();
+	virtual const char* getResourceType() const { return "CheckSessionTimeouted"; };
+};
+
 #endif //DR_LUA_WEB_MODULE_SESSION_MANAGER_H
\ No newline at end of file
diff --git a/src/cpp/model/Session.cpp b/src/cpp/model/Session.cpp
index 07067c1fa..def731ba5 100644
--- a/src/cpp/model/Session.cpp
+++ b/src/cpp/model/Session.cpp
@@ -20,7 +20,7 @@ int WriteEmailVerification::run()
 {	
 	Profiler timeUsed;
 	auto verificationCode = mSession->getEmailVerificationCode();
-	printf("{[WriteEmailVerification::run] E-Mail Verification Code: %llu\n", verificationCode);
+	//printf("[WriteEmailVerification::run] E-Mail Verification Code: %llu\n", verificationCode);
 	auto dbSession = ConnectionManager::getInstance()->getConnection(CONNECTION_MYSQL_LOGIN_SERVER);
 	int user_id = mUser->getDBId();
 	Poco::Data::Statement insert(dbSession);
@@ -30,7 +30,7 @@ int WriteEmailVerification::run()
 		mSession->addError(new Error("WriteEmailVerification", "error inserting email verification code"));
 		return -1;
 	}
-	printf("[WriteEmailVerification::run] timeUsed: %s\n", timeUsed.string().data());
+	printf("[WriteEmailVerification] timeUsed: %s\n", timeUsed.string().data());
 	return 0;
 }
 
@@ -63,7 +63,7 @@ int WritePassphraseIntoDB::run()
 		em->sendErrorsAsEmail();
 	}
 
-	printf("[WritePassphraseIntoDB::run] timeUsed: %s\n", timeUsed.string().data());
+	printf("[WritePassphraseIntoDB] timeUsed: %s\n", timeUsed.string().data());
 	return 0;
 }
 
@@ -71,7 +71,7 @@ int WritePassphraseIntoDB::run()
 // --------------------------------------------------------------------------------------------------------------
 
 Session::Session(int handle)
-	: mHandleId(handle), mSessionUser(nullptr), mEmailVerificationCode(0), mState(SESSION_STATE_EMPTY)
+	: mHandleId(handle), mSessionUser(nullptr), mEmailVerificationCode(0), mState(SESSION_STATE_EMPTY), mActive(false)
 {
 
 }
@@ -90,7 +90,10 @@ void Session::reset()
 		mSessionUser = nullptr;
 	}
 	updateTimeout();
+	updateState(SESSION_STATE_EMPTY);
+	mPassphrase = "";
 	mClientLoginIP = Poco::Net::IPAddress();
+	mEmailVerificationCode = 0;
 }
 
 void Session::updateTimeout()
@@ -111,6 +114,8 @@ bool Session::createUser(const std::string& name, const std::string& email, cons
 		return false;
 	}
 	if (!sm->isValid(password, VALIDATE_PASSWORD)) {
+		addError(new Error("Passwort", "Bitte gebe ein g&uuml;ltiges Password ein mit mindestens 8 Zeichen, Gro&szlig;- und Kleinbuchstaben, mindestens einer Zahl und einem Sonderzeichen ein!"));
+
 		// @$!%*?&+-
 		if (password.size() < 8) {
 			addError(new Error("Passwort", "Dein Passwort ist zu kurz!"));
@@ -127,7 +132,7 @@ bool Session::createUser(const std::string& name, const std::string& email, cons
 		else if (!sm->isValid(password, VALIDATE_HAS_SPECIAL_CHARACTER)) {
 			addError(new Error("Passwort", "Dein Passwort enth&auml;lt keine Sonderzeichen (@$!%*?&+-)!"));
 		}
-		addError(new Error("Passwort", "Bitte gebe ein g&uuml;ltiges Password ein mit mindestens 8 Zeichen, Gro&szlig;- und Kleinbuchstaben, mindestens einer Zahl und einem Sonderzeichen"));
+		
 		return false;
 	}
 	/*if (passphrase.size() > 0 && !sm->isValid(passphrase, VALIDATE_PASSPHRASE)) {
@@ -215,6 +220,7 @@ bool Session::createUser(const std::string& name, const std::string& email, cons
 
 bool Session::updateEmailVerification(unsigned long long emailVerificationCode)
 {
+
 	Profiler usedTime;
 	const static char* funcName = "Session::updateEmailVerification";
 	auto em = ErrorManager::getInstance();
@@ -243,6 +249,7 @@ bool Session::updateEmailVerification(unsigned long long emailVerificationCode)
 			}
 			updateState(SESSION_STATE_EMAIL_VERIFICATION_CODE_CHECKED);
 			printf("[%s] time: %s\n", funcName, usedTime.string().data());
+			
 			return true;
 		}
 		else {
@@ -347,8 +354,12 @@ void Session::detectSessionState()
 
 Poco::Net::HTTPCookie Session::getLoginCookie()
 {
-	auto keks = Poco::Net::HTTPCookie("user", std::to_string(mHandleId));
-	// TODO: additional config, like js permit
+	auto keks = Poco::Net::HTTPCookie("GRADIDO_LOGIN", std::to_string(mHandleId));
+	// prevent reading or changing cookie with js
+	keks.setHttpOnly();
+	// send cookie only via https
+	keks.setSecure(true);
+	
 	return keks;
 }
 
@@ -407,7 +418,8 @@ bool Session::loadFromEmailVerificationCode(unsigned long long emailVerification
 void Session::updateState(SessionStates newState)
 {
 	lock();
-	printf("[Session::%s] newState: %s\n", __FUNCTION__, translateSessionStateToString(newState));
+	updateTimeout();
+	printf("[%s] newState: %s\n", __FUNCTION__, translateSessionStateToString(newState));
 	if (newState > mState) {
 		mState = newState;
 	}
diff --git a/src/cpp/model/Session.h b/src/cpp/model/Session.h
index 76da38605..88867e35b 100644
--- a/src/cpp/model/Session.h
+++ b/src/cpp/model/Session.h
@@ -39,11 +39,12 @@ enum SessionStates {
 	SESSION_STATE_COUNT
 };
 
-
+class SessionManager;
 
 class Session : public ErrorList, public UniLib::lib::MultithreadContainer
 {
 	friend WriteEmailVerification;
+	friend SessionManager;
 public:
 	Session(int handle);
 	~Session();
@@ -63,6 +64,7 @@ public:
 	inline User* getUser() { return mSessionUser; }
 
 	inline int getHandle() { return mHandleId; }
+	
 	inline void setPassphrase(const std::string& passphrase) { mPassphrase = passphrase; }
 	inline const std::string& getPassphrase() { return mPassphrase; }
 	bool generatePassphrase();
@@ -81,14 +83,21 @@ public:
 
 	inline unsigned long long getEmailVerificationCode() { return mEmailVerificationCode; }
 
+	inline bool isActive() const { return mActive; }
+	inline void setActive(bool active) { mActive = active; }
+
+	inline Poco::DateTime getLastActivity() { return mLastActivity; }
+
 protected:
 	void updateTimeout();
+	inline void setHandle(int newHandle) { mHandleId = newHandle; }
 	
 	void createEmailVerificationCode();
 	
 	void detectSessionState();
 	static const char* translateSessionStateToString(SessionStates state);
 
+private: 
 	int mHandleId;
 	User* mSessionUser;
 	std::string mPassphrase;
@@ -97,6 +106,8 @@ protected:
 	unsigned long long mEmailVerificationCode;
 
 	SessionStates mState;
+
+	bool mActive;
 };
 
 
diff --git a/src/cpp/tasks/PrepareEmailTask.cpp b/src/cpp/tasks/PrepareEmailTask.cpp
new file mode 100644
index 000000000..6439c24b9
--- /dev/null
+++ b/src/cpp/tasks/PrepareEmailTask.cpp
@@ -0,0 +1,57 @@
+#include "PrepareEmailTask.h"
+#include "../model/Profiler.h"
+#include "../ServerConfig.h"
+#include "../SingletonManager/ErrorManager.h"
+
+PrepareEmailTask::PrepareEmailTask(UniLib::controller::CPUSheduler* cpuScheduler)
+	: UniLib::controller::CPUTask(cpuScheduler), mMailClientSession(nullptr)
+{
+
+}
+
+PrepareEmailTask::~PrepareEmailTask()
+{
+	if (mMailClientSession) {
+		delete mMailClientSession;
+	}
+}
+
+int PrepareEmailTask::run()
+{
+	Profiler timeUsed;
+	mMailClientSession = new Poco::Net::SecureSMTPClientSession(ServerConfig::g_EmailAccount.url, ServerConfig::g_EmailAccount.port);
+	mMailClientSession->login();
+	mMailClientSession->startTLS(ServerConfig::g_SSL_CLient_Context);
+
+	
+	mMailClientSession->login(Poco::Net::SMTPClientSession::AUTH_LOGIN, ServerConfig::g_EmailAccount.username, ServerConfig::g_EmailAccount.password);
+
+	printf("[PrepareEmailTask] time: %s\n", timeUsed.string().data());
+	/*
+	session.login();
+	session.startTLS(pContext);
+	if (!username.empty())
+	{
+		session.login(SMTPClientSession::AUTH_LOGIN, username, password);
+	}
+	session.sendMessage(message);
+	session.close();
+	*/
+
+	return 0;
+}
+
+int PrepareEmailTask::send(Poco::Net::MailMessage* message)
+{
+	auto er = ErrorManager::getInstance();
+	try {
+		mMailClientSession->sendMessage(*message);
+		mMailClientSession->close();
+	}
+	catch (Poco::Exception& exc) {
+		er->addError(new ParamError("PrepareEmailTask::send", "error sending email", exc.displayText().data()));
+		printf("[PrepareEmailTask::%s] error sending email: %s\n", __FUNCTION__, exc.displayText().data());
+		return -1;
+	}
+	return 0;
+}
\ No newline at end of file
diff --git a/src/cpp/tasks/PrepareEmailTask.h b/src/cpp/tasks/PrepareEmailTask.h
new file mode 100644
index 000000000..f015fcf8a
--- /dev/null
+++ b/src/cpp/tasks/PrepareEmailTask.h
@@ -0,0 +1,23 @@
+#ifndef GRADIDO_LOGIN_SERVER_TASKS_PREPAIRE_EMAIL_TASK_INCLUDE 
+#define GRADIDO_LOGIN_SERVER_TASKS_PREPAIRE_EMAIL_TASK_INCLUDE
+
+#include "CPUTask.h"
+#include "Poco/Net/SecureSMTPClientSession.h"
+
+class PrepareEmailTask : public UniLib::controller::CPUTask
+{
+public:
+	PrepareEmailTask(UniLib::controller::CPUSheduler* cpuScheduler);
+	virtual ~PrepareEmailTask();
+
+	virtual int run();
+	int send(Poco::Net::MailMessage* message);
+	virtual const char* getResourceType() const { return "PrepareEmailTask"; };
+protected:
+
+private:
+	Poco::Net::SecureSMTPClientSession* mMailClientSession;
+};
+
+
+#endif //GRADIDO_LOGIN_SERVER_TASKS_PREPAIRE_EMAIL_TASK_INCLUDE
\ No newline at end of file
diff --git a/src/cpp/tasks/SendEmailTask.cpp b/src/cpp/tasks/SendEmailTask.cpp
index 17dd6750b..6142a4f5a 100644
--- a/src/cpp/tasks/SendEmailTask.cpp
+++ b/src/cpp/tasks/SendEmailTask.cpp
@@ -1,5 +1,6 @@
 #include "SendEmailTask.h"
 #include "PrepareEmailTask.h"
+#include "../model/Profiler.h"
 #include "../SingletonManager/ErrorManager.h"
 #include "../ServerConfig.h"
 
@@ -19,6 +20,7 @@ SendEmailTask::~SendEmailTask()
 
 int SendEmailTask::run() 
 {
+	Profiler timeUsed;
 	auto er = ErrorManager::getInstance();
 	auto parent = getParent(0);
 
@@ -31,5 +33,6 @@ int SendEmailTask::run()
 	if (prepare->send(mMailMessage)) {
 		return -1;
 	}
+	printf("[SendEmailTask] time: %s\n", timeUsed.string().data());
 	return 0;
 }
\ No newline at end of file
diff --git a/src/cpsp/login.cpsp b/src/cpsp/login.cpsp
index 17d8357fe..8ec7d81d0 100644
--- a/src/cpsp/login.cpsp
+++ b/src/cpsp/login.cpsp
@@ -21,6 +21,12 @@
 			response.redirect(uri_start + "/");
 			return;
 		}
+	} else {
+		// remove old cookies if exist
+		auto keks = Poco::Net::HTTPCookie("GRADIDO_LOGIN", std::to_string(mHandleId))
+		// max age of 0 delete cookie
+		keks.setMaxAge(0);
+		response.addCookie(keks);
 	}
 	
 %>
diff --git a/src/cpsp/passphrase.cpsp b/src/cpsp/passphrase.cpsp
index a6d6c71ec..1d956c930 100644
--- a/src/cpsp/passphrase.cpsp
+++ b/src/cpsp/passphrase.cpsp
@@ -17,10 +17,7 @@ enum PageState
 	bool hasErrors = mSession->errorCount() > 0;
 	
 	// save login cookie, because maybe we've get an new session
-	auto cookie_id = mSession->getHandle();
-	auto user_host = request.clientAddress().host();
-	mSession->setClientIp(user_host);
-	response.addCookie(Poco::Net::HTTPCookie("user", std::to_string(cookie_id)));
+	response.addCookie(mSession->getLoginCookie());
 	
 	if (!form.empty()) {
 		auto registerKeyChoice = form.get("passphrase", "");
@@ -90,7 +87,7 @@ label:not(.grd_radio_label) {
 			<a href="/saveKeys">Weiter</a>
 		</div>
 	<% } else if(state == PAGE_ASK_PASSPHRASE) { %>
-	<form method="POST">
+	<form method="POST" action="/passphrase">
 		<fieldset class="grd_container_small">
 			<legend>Neue Gradido Adresse anlegen / wiederherstellen</legend>
 			<p>Hast du schonmal ein Gradido Konto besessen?</p>