Changes

NAD810-Sendmail-VM

419 bytes added, 13:48, 19 March 2009

→‎Edit/Modify /etc/mail/sendmail.cf

tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN

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== Open SMTP port on the firewall ==

Run the following command:

/sbin/iptables -I INPUT -p tcp --dport 25 -j ACCEPT

Note that you can make the rule more restrictive by specifying the Source Network or IP address.

== Test the SMTP port locally ==

telnet localhost 25

== Test the SMTP port remotely ==

Login to another VMs and run the following command to connect to port 25 on 10.0.117.10

telnet 10.0.117.10 25

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