diff --git a/rainloop/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php b/rainloop/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
index 7bc489296..19aa9a51e 100644
--- a/rainloop/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
+++ b/rainloop/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
@@ -186,8 +186,8 @@ class ImapClient extends \MailSo\Net\NetClient
 	 * @param string $sLogin
 	 * @param string $sPassword
 	 * @param string $sProxyAuthUser = ''
-	 * @param bool $bUseAuthPlainIfSupported = false
-	 * @param bool $bUseAuthCramMd5IfSupported = false
+	 * @param bool $bUseAuthPlainIfSupported = true
+	 * @param bool $bUseAuthCramMd5IfSupported = true
 	 *
 	 * @return \MailSo\Imap\ImapClient
 	 *
@@ -196,7 +196,7 @@ class ImapClient extends \MailSo\Net\NetClient
 	 * @throws \MailSo\Imap\Exceptions\Exception
 	 */
 	public function Login($sLogin, $sPassword, $sProxyAuthUser = '',
-		$bUseAuthPlainIfSupported = false, $bUseAuthCramMd5IfSupported = false)
+		$bUseAuthPlainIfSupported = true, $bUseAuthCramMd5IfSupported = true)
 	{
 		if (!\MailSo\Base\Validator::NotEmptyString($sLogin, true) ||
 			!\MailSo\Base\Validator::NotEmptyString($sPassword, true))
@@ -233,10 +233,10 @@ class ImapClient extends \MailSo\Net\NetClient
 
 					if ($oContinuationResponse && !empty($oContinuationResponse->ResponseList[1]))
 					{
-						$sTiken = @\base64_decode($oContinuationResponse->ResponseList[1]);
-						$this->oLogger->Write('tiket: '.$sTiken);
+						$sTicket = @\base64_decode($oContinuationResponse->ResponseList[1]);
+						$this->oLogger->Write('ticket: '.$sTicket);
 
-						$sToken = \base64_encode($sLogin.' '.\MailSo\Base\Utils::Hmac($sPassword, $sTiken));
+						$sToken = \base64_encode($sLogin.' '.\MailSo\Base\Utils::Hmac($sTicket, $sPassword));
 
 						if ($this->oLogger)
 						{
diff --git a/rainloop/v/0.0.0/app/libraries/MailSo/Mail/MailClient.php b/rainloop/v/0.0.0/app/libraries/MailSo/Mail/MailClient.php
index a1143c56b..125da70fe 100644
--- a/rainloop/v/0.0.0/app/libraries/MailSo/Mail/MailClient.php
+++ b/rainloop/v/0.0.0/app/libraries/MailSo/Mail/MailClient.php
@@ -77,8 +77,8 @@ class MailClient
 	 * @param string $sLogin
 	 * @param string $sPassword
 	 * @param string $sProxyAuthUser = ''
-	 * @param bool $bUseAuthPlainIfSupported = false
-	 * @param bool $bUseAuthCramMd5IfSupported = false
+	 * @param bool $bUseAuthPlainIfSupported = true
+	 * @param bool $bUseAuthCramMd5IfSupported = true
 	 *
 	 * @return \MailSo\Mail\MailClient
 	 *
@@ -87,7 +87,7 @@ class MailClient
 	 * @throws \MailSo\Imap\Exceptions\LoginException
 	 */
 	public function Login($sLogin, $sPassword, $sProxyAuthUser = '',
-		$bUseAuthPlainIfSupported = false, $bUseAuthCramMd5IfSupported = false)
+		$bUseAuthPlainIfSupported = true, $bUseAuthCramMd5IfSupported = true)
 	{
 		$this->oImapClient->Login($sLogin, $sPassword, $sProxyAuthUser, $bUseAuthPlainIfSupported, $bUseAuthCramMd5IfSupported);
 		return $this;
diff --git a/rainloop/v/0.0.0/app/libraries/MailSo/Smtp/SmtpClient.php b/rainloop/v/0.0.0/app/libraries/MailSo/Smtp/SmtpClient.php
index cb1334304..fb071ffdb 100644
--- a/rainloop/v/0.0.0/app/libraries/MailSo/Smtp/SmtpClient.php
+++ b/rainloop/v/0.0.0/app/libraries/MailSo/Smtp/SmtpClient.php
@@ -177,6 +177,8 @@ class SmtpClient extends \MailSo\Net\NetClient
 	/**
 	 * @param string $sLogin
 	 * @param string $sPassword
+	 * @param boolean $bUseAuthPlainIfSupported = true
+	 * @param boolean $bUseAuthCramMd5IfSupported = true
 	 *
 	 * @return \MailSo\Smtp\SmtpClient
 	 *
@@ -184,15 +186,15 @@ class SmtpClient extends \MailSo\Net\NetClient
 	 * @throws \MailSo\Net\Exceptions\Exception
 	 * @throws \MailSo\Smtp\Exceptions\Exception
 	 */
-	public function Login($sLogin, $sPassword)
+	public function Login($sLogin, $sPassword, $bUseAuthPlainIfSupported = true, $bUseAuthCramMd5IfSupported = true)
 	{
 		$sLogin = \MailSo\Base\Utils::IdnToAscii(\MailSo\Base\Utils::Trim($sLogin));
 
-		if ($this->IsAuthSupported('LOGIN'))
+		if ($bUseAuthCramMd5IfSupported && $this->IsAuthSupported('CRAM-MD5'))
 		{
 			try
 			{
-				$this->sendRequestWithCheck('AUTH', 334, 'LOGIN');
+				$this->sendRequestWithCheck('AUTH', 334, 'CRAM-MD5');
 			}
 			catch (\MailSo\Smtp\Exceptions\NegativeResponseException $oException)
 			{
@@ -202,10 +204,26 @@ class SmtpClient extends \MailSo\Net\NetClient
 					\MailSo\Log\Enumerations\Type::NOTICE, true);
 			}
 
+			$sTicket = '';
+
+			$sContinuationResponse = !empty($this->aResults[0]) ? \trim($this->aResults[0]) : '';
+			if ($sContinuationResponse && '334 ' === \substr($sContinuationResponse, 0, 4) && 0 < \strlen(\substr($sContinuationResponse, 4)))
+			{
+				$sTicket = @\base64_decode(\substr($sContinuationResponse, 4));
+				$this->writeLogWithCrlf('ticket: '.$sTicket);
+			}
+
+			if (empty($sTicket))
+			{
+				$this->writeLogException(
+					new \MailSo\Smtp\Exceptions\NegativeResponseException(),
+					\MailSo\Log\Enumerations\Type::NOTICE, true
+				);
+			}
+
 			try
 			{
-				$this->sendRequestWithCheck(\base64_encode($sLogin), 334, '');
-				$this->sendRequestWithCheck(\base64_encode($sPassword), 235, '', true);
+				$this->sendRequestWithCheck(\base64_encode($sLogin.' '.\MailSo\Base\Utils::Hmac($sTicket, $sPassword)), 235, '', true);
 			}
 			catch (\MailSo\Smtp\Exceptions\NegativeResponseException $oException)
 			{
@@ -215,7 +233,7 @@ class SmtpClient extends \MailSo\Net\NetClient
 					\MailSo\Log\Enumerations\Type::NOTICE, true);
 			}
 		}
-		else if ($this->IsAuthSupported('PLAIN'))
+		else if ($bUseAuthPlainIfSupported && $this->IsAuthSupported('PLAIN'))
 		{
 			if ($this->__USE_SINGLE_LINE_AUTH_PLAIN_COMMAND)
 			{
@@ -258,6 +276,33 @@ class SmtpClient extends \MailSo\Net\NetClient
 				}
 			}
 		}
+		else if ($this->IsAuthSupported('LOGIN'))
+		{
+			try
+			{
+				$this->sendRequestWithCheck('AUTH', 334, 'LOGIN');
+			}
+			catch (\MailSo\Smtp\Exceptions\NegativeResponseException $oException)
+			{
+				$this->writeLogException(
+					new \MailSo\Smtp\Exceptions\LoginBadMethodException(
+						$oException->GetResponses(), $oException->getMessage(), 0, $oException),
+					\MailSo\Log\Enumerations\Type::NOTICE, true);
+			}
+
+			try
+			{
+				$this->sendRequestWithCheck(\base64_encode($sLogin), 334, '');
+				$this->sendRequestWithCheck(\base64_encode($sPassword), 235, '', true);
+			}
+			catch (\MailSo\Smtp\Exceptions\NegativeResponseException $oException)
+			{
+				$this->writeLogException(
+					new \MailSo\Smtp\Exceptions\LoginBadCredentialsException(
+						$oException->GetResponses(), $oException->getMessage(), 0, $oException),
+					\MailSo\Log\Enumerations\Type::NOTICE, true);
+			}
+		}
 		else
 		{
 			$this->writeLogException(
diff --git a/rainloop/v/0.0.0/app/libraries/RainLoop/Config/Application.php b/rainloop/v/0.0.0/app/libraries/RainLoop/Config/Application.php
index 36915d018..84533d06c 100644
--- a/rainloop/v/0.0.0/app/libraries/RainLoop/Config/Application.php
+++ b/rainloop/v/0.0.0/app/libraries/RainLoop/Config/Application.php
@@ -396,8 +396,6 @@ Enables caching in the system'),
 				'use_imap_list_subscribe' => array(true),
 				'use_imap_thread' => array(true),
 				'use_imap_move' => array(false),
-				'use_imap_auth_plain' => array(false),
-				'use_imap_auth_cram_md5' => array(false),
 				'use_imap_expunge_all_on_delete' => array(false),
 				'imap_forwarded_flag' => array('$Forwarded'),
 				'imap_read_receipt_flag' => array('$ReadReceipt'),
@@ -410,7 +408,11 @@ Enables caching in the system'),
 				'imap_large_thread_limit' => array(50),
 				'imap_folder_list_limit' => array(200),
 				'imap_show_login_alert' => array(true),
+				'imap_use_auth_plain' => array(true),
+				'imap_use_auth_cram_md5' => array(true),
 				'smtp_show_server_errors' => array(false),
+				'smtp_use_auth_plain' => array(true),
+				'smtp_use_auth_cram_md5' => array(true),
 				'sieve_allow_raw_script' => array(false),
 				'sieve_utf8_folder_name' => array(true),
 				'imap_timeout' => array(300),
diff --git a/rainloop/v/0.0.0/app/libraries/RainLoop/Model/Account.php b/rainloop/v/0.0.0/app/libraries/RainLoop/Model/Account.php
index 48d939309..7c30a4724 100644
--- a/rainloop/v/0.0.0/app/libraries/RainLoop/Model/Account.php
+++ b/rainloop/v/0.0.0/app/libraries/RainLoop/Model/Account.php
@@ -409,8 +409,8 @@ class Account extends \RainLoop\Account // for backward compatibility
 			'ProxyAuthPassword' => $this->ProxyAuthPassword(),
 			'VerifySsl' => !!$oConfig->Get('ssl', 'verify_certificate', false),
 			'AllowSelfSigned' => !!$oConfig->Get('ssl', 'allow_self_signed', true),
-			'UseAuthPlainIfSupported' => !!$oConfig->Get('labs', 'use_imap_auth_plain'),
-			'UseAuthCramMd5IfSupported' => !!$oConfig->Get('labs', 'use_imap_auth_cram_md5')
+			'UseAuthPlainIfSupported' => !!$oConfig->Get('labs', 'imap_use_auth_plain', true),
+			'UseAuthCramMd5IfSupported' => !!$oConfig->Get('labs', 'imap_use_auth_cram_md5', true)
 		);
 
 		$oPlugins->RunHook('filter.imap-credentials', array($this, &$aImapCredentials));
@@ -485,7 +485,9 @@ class Account extends \RainLoop\Account // for backward compatibility
 			'ProxyAuthUser' => $this->ProxyAuthUser(),
 			'ProxyAuthPassword' => $this->ProxyAuthPassword(),
 			'VerifySsl' => !!$oConfig->Get('ssl', 'verify_certificate', false),
-			'AllowSelfSigned' => !!$oConfig->Get('ssl', 'allow_self_signed', true)
+			'AllowSelfSigned' => !!$oConfig->Get('ssl', 'allow_self_signed', true),
+			'UseAuthPlainIfSupported' => !!$oConfig->Get('labs', 'smtp_use_auth_plain', true),
+			'UseAuthCramMd5IfSupported' => !!$oConfig->Get('labs', 'smtp_use_auth_cram_md5', true)
 		);
 
 		$oPlugins->RunHook('filter.smtp-credentials', array($this, &$aSmtpCredentials));
@@ -515,7 +517,8 @@ class Account extends \RainLoop\Account // for backward compatibility
 			}
 			else
 			{
-				$oSmtpClient->Login($aSmtpCredentials['Login'], $aSmtpCredentials['Password']);
+				$oSmtpClient->Login($aSmtpCredentials['Login'], $aSmtpCredentials['Password'],
+					$aSmtpCredentials['UseAuthPlainIfSupported'], $aSmtpCredentials['UseAuthCramMd5IfSupported']);
 			}
 
 			$bLogin = true;