diff --git a/Black-List%1C.md b/Black-List%1C.md
index c7308bd..3cbc278 100644
--- a/Black-List%1C.md
+++ b/Black-List%1C.md
@@ -7,4 +7,19 @@ URL: https://postman.prmail.vn/org/getfly/servers/getfly1/messages/232320
 ```
 550-5.7.1 [2401:78c0::d479 18] Our system has detected that this message is 550-5.7.1 likely suspicious due to the very low reputation of the sending IP 550-5.7.1 address. To best protect our users from spam, the message has been 550-5.7.1 blocked. Please visit 550 5.7.1 https://support.google.com/mail/answer/188131 for more information. h126si6316556pfb.69 - gsmtp
 
-```
\ No newline at end of file
+```
+
+IP đã bị block
+```
+421 Your IP is blocked for a long time did not access.
+```
+=> Server nhận block
+
+```
+550 Service unavailable; Client Host [171.244.9.123] blocked using Trend Micro RBL+. Please see http://www.mail-abuse.com/cgi-bin/lookup?ip_address=171.244.9.123
+```
+=> IP gửi mail đã bị TrendMicro block
+```
+550 5.7.1 Unfortunately, messages from [180.188.197.157] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [CO1NAM11FT019.eop-nam11.prod.protection.outlook.com]
+```
+=> IP đã bị block. Requesst IP Block tại: https://support.microsoft.com/en-us/supportrequestform/
\ No newline at end of file