How To Send E-Mail On CentOS 7

simply-sending-e-mails-with-mailx.md

Installing mailx

yum -y update

yum install -y mailx

We can now start sending e-mails using

create a symbolic link

ln -s /bin/mailx /bin/email

###Set an External SMTP Server to Relay E-Mails

vi /etc/mail.rc

edit

set smtp=smtps://smtp.gmail.com:465
set smtp-auth=login
set smtp-auth-user=USERNAME@YOURDOMAIN.COM
set smtp-auth-password=YOURPASSWORD
set ssl-verify=ignore
set nss-config-dir=/etc/pki/nssdb/

example usage :

echo "Your message" | mail -v -s "Message Subject" email@address

Thanks ilkereroglu for your sharing!

In my virtual instance, Linux CentOS 8 works perfectly, in case you want to configure a Gmail account with 2Factors enabled, it is needed to you the app password: error received:

535-5.7.8 Username and Password not accepted. Learn more at
smtp-server: 535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 https://support.google.com/mail/?p=BadCredentials a22sm8057227wmj.9 - gsmtp
smtp-server: 535 5.7.8 https://support.google.com/mail/?p=BadCredentials a22sm8057227wmj.9 - gsmtp

Article to follow in Google Help Center.

I'm getting this error. Can anyone help?

SSL/TLS handshake failed: Unknown error -5938.
"/root/dead.letter" 11/410
. . . message not sent.

[root@serv-pru-apache etc]# echo "hola mundo lindo ahora son las: $(date)" | mailx -s "hola probando" soraya@correo.es

[root@serv-pru-apache etc]# Error in certificate: Peer's certificate issuer is not recognized.
smtp-server: 535 5.7.0 Invalid username or password
"/root/dead.letter" 11/365
. . . message not sent.

Can anyone help?