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 9e01e2c12..86c281bf6 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
@@ -137,6 +137,7 @@ class ImapClient extends \MailSo\Net\NetClient
 	 * @param int $iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT
 	 * @param bool $bVerifySsl = false
 	 * @param bool $bAllowSelfSigned = true
+	 * @param string $sClientCert = NULL
 	 *
 	 * @return \MailSo\Imap\ImapClient
 	 *
@@ -146,11 +147,12 @@ class ImapClient extends \MailSo\Net\NetClient
 	 */
 	public function Connect($sServerName, $iPort = 143,
 		$iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT,
-		$bVerifySsl = false, $bAllowSelfSigned = true)
+		$bVerifySsl = false, $bAllowSelfSigned = true,
+		$sClientCert = '')
 	{
 		$this->aTagTimeouts['*'] = \microtime(true);
 
-		parent::Connect($sServerName, $iPort, $iSecurityType, $bVerifySsl, $bAllowSelfSigned);
+		parent::Connect($sServerName, $iPort, $iSecurityType, $bVerifySsl, $bAllowSelfSigned, $sClientCert);
 
 		$this->parseResponseWithValidation('*', true);
 
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 3d387515e..3f083ea84 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
@@ -59,6 +59,7 @@ class MailClient
 	 * @param int $iPort = 143
 	 * @param int $iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT
 	 * @param bool $bVerifySsl = false
+	 * @param string $sClientCert = ""
 	 *
 	 * @return \MailSo\Mail\MailClient
 	 *
@@ -67,9 +68,9 @@ class MailClient
 	 * @throws \MailSo\Imap\Exceptions\Exception
 	 */
 	public function Connect($sServerName, $iPort = 143,
-		$iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT, $bVerifySsl = false)
+		$iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT, $bVerifySsl = false, $bAllowSelfSigned = false, $sClientCert = '')
 	{
-		$this->oImapClient->Connect($sServerName, $iPort, $iSecurityType, $bVerifySsl);
+		$this->oImapClient->Connect($sServerName, $iPort, $iSecurityType, $bVerifySsl, $bAllowSelfSigned, $sClientCert);
 		return $this;
 	}
 
diff --git a/rainloop/v/0.0.0/app/libraries/MailSo/Net/NetClient.php b/rainloop/v/0.0.0/app/libraries/MailSo/Net/NetClient.php
index 5fffbbf92..35cad72ab 100644
--- a/rainloop/v/0.0.0/app/libraries/MailSo/Net/NetClient.php
+++ b/rainloop/v/0.0.0/app/libraries/MailSo/Net/NetClient.php
@@ -196,6 +196,7 @@ abstract class NetClient
 	 * @param int $iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT
 	 * @param bool $bVerifySsl = false
 	 * @param bool $bAllowSelfSigned = true
+	 * @param string $sClientCert = NULL
 	 *
 	 * @return void
 	 *
@@ -205,7 +206,8 @@ abstract class NetClient
 	 */
 	public function Connect($sServerName, $iPort,
 		$iSecurityType = \MailSo\Net\Enumerations\ConnectionSecurityType::AUTO_DETECT,
-		$bVerifySsl = false, $bAllowSelfSigned = true)
+		$bVerifySsl = false, $bAllowSelfSigned = true,
+		$sClientCert = '')
 	{
 		if (!\MailSo\Base\Validator::NotEmptyString($sServerName, true) || !\MailSo\Base\Validator::PortInt($iPort))
 		{
@@ -254,13 +256,13 @@ abstract class NetClient
 
 		$bVerifySsl = !!$bVerifySsl;
 		$bAllowSelfSigned = $bVerifySsl ? !!$bAllowSelfSigned : true;
-
 		$aStreamContextSettings = array(
 			'ssl' => array(
 				'verify_host' => $bVerifySsl,
 				'verify_peer' => $bVerifySsl,
 				'verify_peer_name' => $bVerifySsl,
-				'allow_self_signed' => $bAllowSelfSigned
+				'allow_self_signed' => $bAllowSelfSigned,
+				'local_cert' => $sClientCert
 			)
 		);