Also at @googlemail.com. This is an alias for gmail.com because 'gmail' was already trademarked in the uk so they had to use another domain there, but it's always worked globally.
I found that outlook provides you 10 aliases free + one primary email,
I remember when I was younger, all of my outlook aliases were rot[insert-prime-number] versions of the original, thinking I was being clever haha.
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I've had an extensive email strategy for a few decades now, my first exposure to the internet was the hotmail inbox in 1998, I'd spend an hour every day just poking around at an internet cafe. My academia account is firstname.lastname and my backup/recovery accounts are lastname.firstname and my (indian) government accounts are on a different provider so I don't mix my financial data with my (dead) medical career.
The websites where I spend in USD have a different account compared to where I spend in INR which also different where I can spend in crypto or giftcards (app stores mostly). The username here is for forums where I buy/sell, I have another username for forums where my address is not shared with members. Social media also has a different username. I was an early adopter of crypto so this made sense for privacy reasons.
All google services have different accounts, in the format of initials.service so it's like abc.maps@gmail for maps and abc.apps@gmail for play store, and others for gpay and youtube. I did this because before ad tracking but it seems to work well. I also have microphones physically removed from all of my computing devices apart from my phone and tablet.
Privacy became a focus because a whimsical blog post of mine about copy protection became front-page news and I had my name and my parents address on the about page, asking for pizza donations (even though we didn't have pizza delivery at the time).