diff --git a/winixd/utils/http.cpp b/winixd/utils/http.cpp
index dceca69..5825c4a 100644
--- a/winixd/utils/http.cpp
+++ b/winixd/utils/http.cpp
@@ -86,6 +86,8 @@ Http & Http::begin()
 	smtp_from = nullptr;
 	username = nullptr;
 	password = nullptr;
+	force_smtp_ssl_mode = false;
+	smtp_ssl_mode = 0;
 
 	return *this;
 }
@@ -195,6 +197,15 @@ Http & Http::add_recipient(const std::wstring & recipient)
 }
 
 
+Http & Http::set_smtp_ssl_mode(long mode)
+{
+	force_smtp_ssl_mode = true;
+	smtp_ssl_mode = mode;
+	return *this;
+}
+
+
+
 Http & Http::add_headers(pt::Space * headers)
 {
 	additional_space_headers_to_send = headers;
@@ -812,6 +823,12 @@ void Http::put_method(Method & method)
 		{
 			curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, smtp_recipients);
 		}
+
+		if( force_smtp_ssl_mode )
+		{
+			curl_easy_setopt(curl, CURLOPT_USE_SSL, smtp_ssl_mode);
+		}
+
 		break;
 
 	default:
diff --git a/winixd/utils/http.h b/winixd/utils/http.h
index cc4f27c..ed0842c 100644
--- a/winixd/utils/http.h
+++ b/winixd/utils/http.h
@@ -272,6 +272,21 @@ public:
 	Http & add_recipient(const wchar_t * recipient);
 	Http & add_recipient(const std::wstring & recipient);
 
+	/*
+	 * CURLUSESSL_NONE
+	 * do not attempt to use SSL.
+	 *
+	 * CURLUSESSL_TRY
+	 * Try using SSL, proceed as normal otherwise. Note that server may close the connection if the negotiation does not succeed.
+	 *
+	 * CURLUSESSL_CONTROL
+	 * Require SSL for the control connection or fail with CURLE_USE_SSL_FAILED.
+	 *
+	 * CURLUSESSL_ALL
+	 * Require SSL for all communication or fail with CURLE_USE_SSL_FAILED. 	 *
+	 */
+	Http & set_smtp_ssl_mode(long mode);
+
 	bool send_mail(const wchar_t * smtp_url, const wchar_t * from, const std::string & in, pt::WTextStream & out, bool clear_stream = true);
 	bool send_mail(const wchar_t * smtp_url, const wchar_t * from, pt::WTextStream & in, pt::WTextStream & out, bool clear_stream = true);
 
@@ -321,6 +336,8 @@ private:
 	const wchar_t * smtp_from;
 	const wchar_t * username;
 	const wchar_t * password;
+	bool force_smtp_ssl_mode;
+	long smtp_ssl_mode;
 
 	std::wstring temp_header;
 	std::string temp_header_ascii;