iRedMail White List

• Postfix
  nano /etc/postfix/helo_access.pcre
  Add below:
  /\.domain\.com$/ OK
  /\.domain\.com\.tw$/ OK
• iRedApd
  goto /opt/iredapd/tools
  run below:
  python wblist_admin.py --add --whitelist IP @domain.com @.domain.com user@domain.com
• fail2ban
  nano /etc/fail2ban/jail.local
  add IPs after  ignoreip = IP1 IP2 IP/8 IP/16 IP/24 IP/32