Oh my gosh! Check this out - sending email from local to my personal email!
Using this awesome library: https://github.com/thoughtbot/bamboo
and its GMail Adapter:
https://github.com/parkerduckworth/bamboo_gmail
…to which I made a PR to tweak the code to be able to use the latest major version of Bamboo: https://github.com/parkerduckworth/bamboo_gmail/pull/9
A little after this, I was able to do the same from the hosted server! Checkout https://rusticfoods.cc/ and do a test order :D