SMTP SETUP IN LINUX
Smtp configuration with gmail.
Step1)
create one gmail user
step2)
install packages
Yum install postfix
step
3)
check
telnet
telnet smtp.gmail.com 587
telnet smtp.gmail.com 465
step4)
Configure the Postfix Relay Server (Gmail)
Configure the Postfix Relay Server (Gmail)
Postifx configuration file vi /etc/postfix/main.cf
relayhost = [smtp.gmail.com]:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_tls_security_level = encrypt
inet_protocols = ipv4
Configure the Postfix Relay Server (Office365)
relayhost = [smtp. office365.com]:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_tls_security_level = encrypt
inet_protocols = ipv4
step4)
[root@ postfix]# vi /etc/postfix/sasl_passwd (add below
entries in sasl_passwd)
[smtp.gmail.com]:587 username:password
Example :
[smtp.gmail.com]:587 manueldba4@gmail.com: Manueldba123
Create hash db file for Postfix
postmap /etc/postfix/sasl_passwd
restart postfix:
postfix reload or systemctl restart postfix
step 5)
echo "mail is
working"| mail -r manueldba4@gmail.com -s "linux it’s ok" manueldba4@gmail.com
mailq ( check mailq)