CentOS 6 as smarthost (sendmail)

[trichevio]

yum install mailx sendmail sendmail-cf -y

vi /etc/mail/sendmail.mc

dnl define(`SMART_HOST', `smtp.domain.com')dnl dnl MASQUERADE_AS(`domain.com')dnl
m4 /etc/mail/senmdmail.mc > /etc/mail/sendmail.cf

chkconfig sendmail on
service sendmail restart

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