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 Qmail is giving error messge 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

If you receive message 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1) it...

 FTP not connecting giving errors in CentOS

1) Check if selinux is disabled # getenforce If it shows enforcing, then selinux is restricting...

 I am getting " install: fatal: unable to write .../bin/tcpserver: text busy " while installing qmail

This is because tcpserver is running. Follow these steps. 1) ps -ax |grep tcpserver 2) kill all...

 Dig command is not working

Use this command to install dig command. # apt-get install dnsutils

 Uploaded files of FTP shows 600 instead of 644

vi /etc/vsftpd.con localumask=022 /etc/init.d/vsftpd restart