Difference between revisions of "NAD810-Sendmail-VM"
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== Edit/Modify /etc/mail/sendmail.cf == | == Edit/Modify /etc/mail/sendmail.cf == | ||
* Backup the file first: cp /etc/mail/sendmail.cf /etc/mail/sendmail.cf.lux | * Backup the file first: cp /etc/mail/sendmail.cf /etc/mail/sendmail.cf.lux | ||
| − | * Add the following line in the option section: | + | * Add the following line in the option section (use your IP for the Addr=): |
0 DaemonPortOptions=Port=smtp,Addr=10.0.117.10, Name=MTA | 0 DaemonPortOptions=Port=smtp,Addr=10.0.117.10, Name=MTA | ||
after the line: | after the line: | ||
0 DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA | 0 DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA | ||
| + | * Restart sendmail: | ||
| + | service sendmail restart | ||
| + | * Run the command "netstat -ant" you should have the following two lines: | ||
| + | |||
| + | Proto Recv-Q Send-Q Local Address Foreign Address Stat | ||
| + | ... | ||
| + | tcp 0 0 10.0.117.10:25 0.0.0.0:* LISTEN | ||
| + | tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN | ||
| + | ... | ||
| + | |||
| + | == 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 | ||
| + | |||
| + | == Sendmail with ldap == | ||
| + | http://icmp.ru/man/servers/ldap/sendmail-ldap.html | ||
Latest revision as of 01:59, 24 March 2009
Contents
Running Sendmail on VM
Sample Configuration
nad810_091a03-centos5
Edit/Modify /etc/mail/sendmail.cf
- Backup the file first: cp /etc/mail/sendmail.cf /etc/mail/sendmail.cf.lux
- Add the following line in the option section (use your IP for the Addr=):
0 DaemonPortOptions=Port=smtp,Addr=10.0.117.10, Name=MTA
after the line:
0 DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA
- Restart sendmail:
service sendmail restart
- Run the command "netstat -ant" you should have the following two lines:
Proto Recv-Q Send-Q Local Address Foreign Address Stat ... tcp 0 0 10.0.117.10:25 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN ...
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
