haha… after few months i’m wondering and trials that ended fail…. at last solutions found haha…. if someone cross over this page, you may refer here…. Symptom before doing this is the mail is super slow, after doing this will be on the spot.
Thank you for your post, that’s very helpful… Here i share what i do… just add up a little…
First, check your /etc/hosts and make sure this correct
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
And do the
Here the simple note… Run command
yum remove sendmail yum install postfix alternatives --set mta /usr/sbin/postfix alternatives --set mta /usr/sbin/sendmail.postfix nano /etc/postfix/main.cf
myhostname = mail.tecadmin.net mydomain = tecadmin.net myorigin = $mydomain inet_interfaces = all mydestination = $myhostname, localhost, $mydomain mynetworks = 127.0.0.0/8, /32 relay_domains = $mydestination home_mailbox = Maildir/
service postfix restart chkconfig postfix on iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 25 -j ACCEPT iptables -A INPUT -m state --state NEW -m udp -p udp --dport 25 -j ACCEPT
