Ip name lookup failed
- Ip name lookup failed. no ptr record found
- Ip name lookup failed smtp
- Ip name lookup failed sendmail
- 554 ip name lookup failed
- Relaying denied. ip name lookup failed
- Relaying denied. ip name lookup failed sendmail
- Postfix relaying denied. ip name lookup failed
- Relaying denied. ip name lookup failed smtp
- Relaying denied. ip name lookup failed 550 5.7.1
- Relaying denied. ip name lookup failed java
- Relaying denied ip name lookup failed 原因