diff --git a/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-th%C6%B0%E1%BB%9Dng-g%E1%BA%B7p.md b/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-th%C6%B0%E1%BB%9Dng-g%E1%BA%B7p.md
index fd4b1db..56f1d18 100644
--- a/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-th%C6%B0%E1%BB%9Dng-g%E1%BA%B7p.md
+++ b/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-th%C6%B0%E1%BB%9Dng-g%E1%BA%B7p.md
@@ -9,6 +9,12 @@ https://support.google.com/mail/?p=OverQuotaTemp az1si3814199pjb.65 - gsmtp`
 
 ## Không tìm thấy người nhận
 `550-5.1.1 <amelie@searchranking-results.com>: Recipient address rejected: 550 User unknown in virtual mailbox table`
+
+`550 5.7.1 No such user!`
+
+## Hòm thư đã bị khoá
+`554 delivery error: dd Sorry, your message to hieuiki@yahoo.com.vn cannot be delivered. This mailbox is disabled (554.30). - mta4213.mail.sg3.yahoo.com
+`
 ## Thư đánh dấu là spam
 
 `550 5.7.1 Message rejected as spam by Content Filtering.`
\ No newline at end of file