April 26

Linux: Sendmail setup and forwarding root email to an external server

1. yum install sendmail

2. yum install sendmail-cf

3. nano sendmail.mc
Add smart host
define(`SMART_HOST’, `[your.smtpserver.com]’)dnl
*Make certain your smtp server is set to allow connections from your ip*

If you want your sendmail to accept remote connections add dnl:
dnl DAEMON_OPTIONS(`Port=smtp,Addr=, Name=MTA’)dnl

4. ./make sendmail.cf

5. service sendmail restart

6. nano /etc/aliases
root: [email protected]

7. newaliases

8. nano /etc/hosts servername.domain.com localhost servername
::1 localhost6.localdomain6 localhost6 mailhost smtpmailserver.yourserver.com

9. echo “This is a test” | mailx -s “A test mail” root < /dev/null

To test is you are accepting SMTP traffic
telnet yourservername 25

HELO yourservername Like I am 🙂

MAIL FROM:[email protected] My address

RCPT TO:[email protected] Your address


text message for therename. This is text message

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Posted April 26, 2012 by Timothy Conrad in category "Linux

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If I were to describe myself with one word it would be, creative. I am interested in almost everything which keeps me rather busy. Here you will find some of my technical musings. Securely email me using - PGP: 4CB8 91EB 0C0A A530 3BE9 6D76 B076 96F1 6135 0A1B