13,420
edits
Changes
→Listening on all interfaces
inet_interfaces = all
<ol><li value="3">We should also set the string that will end up in the '''From:''' header in messages sent by this server. Change the '''mydomain''' option to YOUR domain name (shown below):</li></ol> mydomain = yoursenecaid.org <ol><li value="4">Make certain to set the hostname for this lab and server that will correctly specify the hostname in the '''myorigin''' to '''$myhostname'From:''head in a sent mail message.Make certain the following parameter is shown with the corresponding value:</li></ol> myorigin = $myhostname <ol><livalue="5">Ensure that your '''hostname''' and DOMAIN NAME is properly set on your machine (including the domain name), otherwise you will need to set the '''myhostname''' parameter.</li>
{{Admon/important|Warning|Make sure there are no other uncommented copies of these parameters in the file.}}
<li>Restart the postfix service (using the '''ss''' command) to confirm that the your MTA is now listening on <u>all</u> interfaces (not just loopback)</li>
'''Record steps, commands, and your observations in INVESTIGATION 2 in your OPS335 lab log-book'''
==INVESTIGATION 3: SENDING EMAIL BETWEEN MTAs (NO ENCRYPTION)==
