تغییر IP سرور دایرکت ادمین

Start DirectAdmin if it hasn't been started:

systemctl restart directadmin

Run the ipswap.sh script to replace the old server IP (1.2.3.4) with the new server IP (5.6.7.8):

cd /usr/local/directadmin/scripts  
./ipswap.sh 1.2.3.4 5.6.7.8

Restart everything:

systemctl restart pure-ftpd
systemctl restart exim
systemctl restart dovecot

Also you may run this command:

da build rewrite_confs