CentOS - F5 Labs (Part 9)

1. 1
CONFIGURATION OF SMTP SERVER ON CENTOS 8
 sudo dnf install posftix –y
 sudo systemctl start postfix
 sudo systemct enable postfix
 vi /etc/postfix/main.cf
 postfix check
 dnf install dovecot
 vi /etc/dovecot/conf.d/10-mail.conf
mail_location should be configured as down below.
 vi /etc/dovecot/conf.d/20-pop3.conf
pop3_uidl_format should be configured as down below.

2. 2
 vi /etc/postfix/master.cf
Configure the master.cf as shown below.
Give the firewall access
 iptables –A INPUT –p tcp –dport 25 –j ACCEPT
 iptables –A INPUT –p tcp –dport 465 –j ACCEPT
 iptables –A INPUT –p tcp –dport 587 –j ACCEPT
2/13/2022
X
Kaan Aslandag
Signed by: www.kaan1.com