diff --git a/adm/config_form.php b/adm/config_form.php
index b1fc8facc..b12fcce12 100644
--- a/adm/config_form.php
+++ b/adm/config_form.php
@@ -90,6 +90,11 @@ if(!isset($config['cf_admin_email'])) {
                     ADD `cf_admin_email` VARCHAR(255) NOT NULL AFTER `cf_admin` ", true);
 }
 
+if(!isset($config['cf_admin_email_name'])) {
+    sql_query(" ALTER TABLE `{$g5['config_table']}`
+                    ADD `cf_admin_email_name` VARCHAR(255) NOT NULL AFTER `cf_admin_email` ", true);
+}
+
 if(!isset($config['cf_cert_use'])) {
     sql_query(" ALTER TABLE `{$g5['config_table']}`
                     ADD `cf_cert_use` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_editor`,
@@ -230,6 +235,13 @@ if ($config['cf_icode_id'] && $config['cf_icode_pw']) {
                 <input type="text" name="cf_admin_email" value="<?php echo $config['cf_admin_email'] ?>" id="cf_admin_email" required class="required email frm_input" size="40">
             </td>
         </tr>
+        <tr>
+            <th scope="row"><label for="cf_admin_email_name">관리자 메일 발송이름<strong class="sound_only">필수</strong></label></th>
+            <td colspan="3">
+                <?php echo help('관리자가 보내고 받는 용도로 사용하는 메일의 발송이름을 입력합니다. (회원가입, 인증메일, 테스트, 회원메일발송 등에서 사용)') ?>
+                <input type="text" name="cf_admin_email_name" value="<?php echo $config['cf_admin_email_name'] ?>" id="cf_admin_email_name" required class="required frm_input" size="40">
+            </td>
+        </tr>
         <tr>
             <th scope="row"><label for="cf_use_point">포인트 사용</label></th>
             <td colspan="3"><input type="checkbox" name="cf_use_point" value="1" id="cf_use_point" <?php echo $config['cf_use_point']?'checked':''; ?>> 사용</td>
diff --git a/adm/config_form_update.php b/adm/config_form_update.php
index c14e3c5f5..99a5b1f15 100644
--- a/adm/config_form_update.php
+++ b/adm/config_form_update.php
@@ -23,6 +23,7 @@ $sql = " update {$g5['config_table']}
             set cf_title = '{$_POST['cf_title']}',
                 cf_admin = '{$_POST['cf_admin']}',
                 cf_admin_email = '{$_POST['cf_admin_email']}',
+                cf_admin_email_name = '{$_POST['cf_admin_email_name']}',
                 cf_include_index = '{$_POST['cf_include_index']}',
                 cf_include_head = '{$_POST['cf_include_head']}',
                 cf_include_tail = '{$_POST['cf_include_tail']}',
diff --git a/adm/mail_select_update.php b/adm/mail_select_update.php
index c87adc123..6bf996421 100644
--- a/adm/mail_select_update.php
+++ b/adm/mail_select_update.php
@@ -65,7 +65,7 @@ for ($i=0; $i<count($member_list); $i++)
 
         $content = $content . "<hr size=0><p><span style='font-size:9pt; font-familye:굴림'>▶ 더 이상 정보 수신을 원치 않으시면 [<a href='".G5_BBS_URL."/email_stop.php?mb_id={$mb_id}&amp;mb_md5={$mb_md5}' target='_blank'>수신거부</a>] 해 주십시오.</span></p>";
 
-        mailer($config['cf_title'], $config['cf_admin_email'], $to_email, $subject, $content, 1);
+        mailer($config['cf_admin_email_name'], $config['cf_admin_email'], $to_email, $subject, $content, 1);
 
         echo "<script> document.all.cont.innerHTML += '$cnt. $to_email ($mb_id : $name)<br>'; </script>\n";
         //echo "+";
diff --git a/adm/sendmail_test.php b/adm/sendmail_test.php
index 80d362c6a..a0facf1c9 100644
--- a/adm/sendmail_test.php
+++ b/adm/sendmail_test.php
@@ -15,7 +15,7 @@ include_once('./admin.head.php');
 if (isset($_POST['email'])) {
     $email = explode(',', $_POST['email']);
     for ($i=0; $i<count($email); $i++)
-        mailer($config['cf_title'], $config['cf_admin_email'], trim($email[$i]), '[메일검사] 제목', '<span style="font-size:9pt;">[메일검사] 내용<p>이 내용이 제대로 보인다면 보내는 메일 서버에는 이상이 없는것입니다.<p>'.G5_TIME_YMDHIS.'<p>이 메일 주소로는 회신되지 않습니다.</span>', 1);
+        mailer($config['cf_admin_email_name'], $config['cf_admin_email'], trim($email[$i]), '[메일검사] 제목', '<span style="font-size:9pt;">[메일검사] 내용<p>이 내용이 제대로 보인다면 보내는 메일 서버에는 이상이 없는것입니다.<p>'.G5_TIME_YMDHIS.'<p>이 메일 주소로는 회신되지 않습니다.</span>', 1);
 
     echo '<section>';
     echo '<h2>결과메세지</h2>';
diff --git a/bbs/password_lost2.php b/bbs/password_lost2.php
index 074e2bfd7..d1bc4dbf3 100644
--- a/bbs/password_lost2.php
+++ b/bbs/password_lost2.php
@@ -66,8 +66,7 @@ $content .= '<a href="'.$href.'" target="_blank" style="display:block;padding:30
 $content .= '</div>';
 $content .= '</div>';
 
-$admin = get_admin('super');
-mailer($admin['mb_nick'], $admin['mb_email'], $mb['mb_email'], $subject, $content, 1);
+mailer($config['cf_admin_email_name'], $config['cf_admin_email'], $mb['mb_email'], $subject, $content, 1);
 
 alert_close($email.' 메일로 회원아이디와 비밀번호를 인증할 수 있는 메일이 발송 되었습니다.\\n\\n메일을 확인하여 주십시오.');
 ?>
\ No newline at end of file
diff --git a/bbs/register_email_update.php b/bbs/register_email_update.php
index 7f59541e9..3ae7b006f 100644
--- a/bbs/register_email_update.php
+++ b/bbs/register_email_update.php
@@ -35,7 +35,7 @@ include_once ('./register_form_update_mail3.php');
 $content = ob_get_contents();
 ob_end_clean();
 
-mailer($config['cf_title'], $config['cf_admin_email'], $mb_email, $subject, $content, 1);
+mailer($config['cf_admin_email_name'], $config['cf_admin_email'], $mb_email, $subject, $content, 1);
 
 $sql = " update {$g5['member_table']} set mb_email = '$mb_email' where mb_id = '$mb_id' ";
 sql_query($sql);
diff --git a/bbs/register_form_update.php b/bbs/register_form_update.php
index 235dcdcb9..a1be54f76 100644
--- a/bbs/register_form_update.php
+++ b/bbs/register_form_update.php
@@ -265,7 +265,7 @@ if ($w == '') {
         $content = ob_get_contents();
         ob_end_clean();
 
-        mailer($config['cf_title'], $config['cf_admin_email'], $mb_email, $subject, $content, 1);
+        mailer($config['cf_admin_email_name'], $config['cf_admin_email'], $mb_email, $subject, $content, 1);
 
         // 메일인증을 사용하는 경우 가입메일에 인증 url이 있으므로 인증메일을 다시 발송되지 않도록 함
         if($config['cf_use_email_certify'])
diff --git a/install/gnuboard5.sql b/install/gnuboard5.sql
index a435c8d34..160d07850 100644
--- a/install/gnuboard5.sql
+++ b/install/gnuboard5.sql
@@ -187,6 +187,7 @@ CREATE TABLE IF NOT EXISTS `g5_config` (
   `cf_title` varchar(255) NOT NULL DEFAULT '',
   `cf_admin` varchar(255) NOT NULL DEFAULT '',
   `cf_admin_email` varchar(255) NOT NULL DEFAULT '',
+  `cf_admin_email_name` varchar(255) NOT NULL DEFAULT '',
   `cf_include_index` varchar(255) NOT NULL DEFAULT '',
   `cf_include_head` varchar(255) NOT NULL DEFAULT '',
   `cf_include_tail` varchar(255) NOT NULL DEFAULT '',
diff --git a/install/install_db.php b/install/install_db.php
index fc7725bba..a62c10ab3 100644
--- a/install/install_db.php
+++ b/install/install_db.php
@@ -92,6 +92,7 @@ $sql = " insert into `{$table_prefix}config`
             set cf_title = '".G5_VERSION."',
                 cf_admin = '$admin_id',
                 cf_admin_email = '$admin_email',
+                cf_admin_email_name = '".G5_VERSION."',
                 cf_use_point = '1',
                 cf_use_copy_log = '1',
                 cf_login_point = '100',