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mac rc / profiles

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profile-mac

mac rc / profiles

Enable Postfix (MTA)

source: Configuring Postfix to Send Mail from Mac OS X Mountain Lion source: Sign in using App Passwords source: Configure Postfix for Gmail SMTP in Mac OSX

Update postfix config

First,

  • Update /etc/postfix/main.cf
  • Create /etc/postfix/sasl_passwd.
  • Create /etc/postfix/sasl_passwd.db by running sudo postmap sasl_passwd
  • Run sudo postfix start, check /var/log/mail.log
  • Try to send mail to you date | mail -s my-subject EMAIL@ADDRESS, then check /var/log/mail.log.

LaunchDaemon

  • First, disable SIP.

  • Update /System/Library/LaunchDaemon/com.apple.postfix.master.plist

    • Remove -e 60 from ProgramArgument

    • Add KeepAlive:

      <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>com.apple.postfix.master</string>
    <key>Program</key>
    <string>/usr/libexec/postfix/master</string>
    <key>ProgramArguments</key>
    <array>
        <string>master</string>
    </array>
    <key>QueueDirectories</key>
    <array>
        <string>/var/spool/postfix/maildrop</string>
    </array>
    <key>AbandonProcessGroup</key>
    <true/>
    <key>KeepAlive</key>
    <true/>
</dict>
</plist>

  • unload / load the plist file

      $ sudo launchctl unload /System/Library/LaunchDaemons/com.apple.postfix.master.plist
  $ sudo launchctl load /System/Library/LaunchDaemons/com.apple.postfix.master.plist
  $ ps -ef | grep master   # to check postfix master process alive

  • Enable SIP again.