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I speak from experience that no one other than professionals should be handling their own mail servers in 2024. I worked for a mail host. The amount of spam and attacks that befall a mail provider, even a small one, is bonkers. Plus, mail is just too damn important.
I wish it wasn’t the case because the idea of everyone privately hosting their own mail servers would be pretty awesome. Sadly the modern internet makes it way too risky.
Screenprinting. I also did work as a quality tech for machining. Manufacturing jobs in general do not seem to get any public recognition even though they can be some of the most engaging and can cater to a lot of people that don’t enjoy the employee-customer relationship.
That being said, finding the sweet spot for management can be a challenge.
It’s a career path that’s practically ignored in schools and I wish math classes used more examples from engineering and manufacturing to answer the age-old “Where am I ever going to use this?” question.