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The 12 Step Plan

  1. Obtain LSMTP backup machine

  2. Install RedHat Linux 6.2

  3. Secure Linux system

  4. Obtain latest sendmail

  5. Install sendmail

  6. Configure sendmail as relay server

  1. Test system throughput

  2. Replace NT smtpgate with Linux system

  3. Watch it run for a week

  4. Rebuild production system

  5. Test production system

  6. Install production Linux system

Notes:

The LSMTP backup machine is 100MHz compared to the 450MHz of the current NT machine. We'll use it as the leapfrog machine to prevent needing to invest any money in this conversion.

Because the backup machine is so much slower than the production machine, we'll need to leapfrog quickly (or find another machine to use as the leapfrog).