A question like this will be generally closed as not constructive. With a link to this section of the faq. http://serverfault.com/faq#dontask

You should only ask practical, answerable questions based on actual problems that you face. Chatty, open-ended questions diminish the usefulness of our site and push other questions off the front page.

This question is more of an open discussion and you might find a much better home on www.reddit.com/r/sysadmin or some other other forum.

The question itself will not be very useful for a broad audience. The sysadmin field has lots of generalists who need to know the basics, and lots of specialists who need regularly need to know about very specific things, but don't care about unrelated things. For example why would a SAN administrator care at all about SMTP.

A question like this will be generally closed as not constructive. With a link to this section of the faq. https://serverfault.com/faq#dontask

You should only ask practical, answerable questions based on actual problems that you face. Chatty, open-ended questions diminish the usefulness of our site and push other questions off the front page.

This question is more of an open discussion and you might find a much better home on www.reddit.com/r/sysadmin or some other other forum.

The question itself will not be very useful for a broad audience. The sysadmin field has lots of generalists who need to know the basics, and lots of specialists who need regularly need to know about very specific things, but don't care about unrelated things. For example why would a SAN administrator care at all about SMTP.