* finish task #2142.

module/mail/control.php

@@ -132,6 +132,21 @@ class mail extends control
             $mailConfig->smtp->debug    = $this->post->debug;
             $mailConfig->smtp->charset  = $this->post->charset;
 
+            /* The mail need openssl and curl extension when secure is tls. */
+            if($mailConfig->smtp->secure == 'tls')
+            {
+                if(!extension_loaded('openssl'))
+                {
+                    echo js::alert($this->lang->mail->noOpenssl);
+                    die(js::locate('back'));
+                }
+                if(!extension_loaded('curl'))
+                {
+                    echo js::alert($this->lang->mail->noCurl);
+                    die(js::locate('back'));
+                }
+            }
+
             $this->loadModel('setting')->setItems('system.mail', $mailConfig);
             if(dao::isError()) die(js::error(dao::getError()));
 

module/mail/lang/en.php

@@ -42,4 +42,6 @@ $lang->mail->content        = 'If you can see this, the email notification featu
 $lang->mail->successSended  = 'Successfully sended!';
 $lang->mail->sendmailTips   = 'Tips: system will not send mail to current user.';
 $lang->mail->needConfigure  = "I can not find the configuration, please configure it first.";
-$lang->mail->nofsocket      = 'The fsocket correlation function is disabled, not letter! Please enlarge the setting of allow_url_fopen to On in php.ini and open the extension of openssl. Restart apace.';
+$lang->mail->nofsocket      = 'The fsocket correlation function is disabled, not letter! Please enlarge the setting of allow_url_fopen to On in php.ini and open the extension of openssl. Restart apache.';
+$lang->mail->noOpenssl      = 'Please open the extension of openssl when use tls. Restart apache.';
+$lang->mail->noCurl         = 'Please open the extension of curl when use tls. Restart apache.';

module/mail/lang/zh-cn.php

@@ -43,3 +43,5 @@ $lang->mail->successSended  = '成功发送！';
 $lang->mail->sendmailTips   = '提示：系统不会为当前操作者发信。';
 $lang->mail->needConfigure  = '无法找到邮件配置信息，请先配置邮件发送参数。';
 $lang->mail->nofsocket      = 'fsocket相关函数被禁用，不能发信！请在php.ini中修改allow_url_fopen为On，打开openssl扩展。 保存并重新启动apache。';
+$lang->mail->noOpenssl      = 'tls加密，请打开openssl扩展。 保存并重新启动apache。';
+$lang->mail->noCurl         = 'tls加密，请打开curl扩展。 保存并重新启动apache。';