diff --git a/src/mail/mail_constants.py b/src/mail/mail_constants.py
index 4eafece..829873c 100755
--- a/src/mail/mail_constants.py
+++ b/src/mail/mail_constants.py
@@ -72,7 +72,7 @@ def create_imap(login: str):
     elif DOMAN_AURORA_DTI_NE_JP in login:
         imap = imaplib.IMAP4(MARS_DTI_NE_JP_SERVER, port=143)
     elif DOMAIN_NAVER in login:
-        imap = imaplib.IMAP4(NAVER_SERVER, port=143)
+        imap = imaplib.IMAP4_SSL(NAVER_SERVER, port=993)
     else:
         imap = imaplib.IMAP4_SSL(AOL_IMAP_SERVER)
     return imap