Copied my male colleagues’ email style and told I’m being rude

I'm a woman in my late 20s, working in a corporate environment. I'm pretty established in my career and company but not managerial. I usually email in a very "hi! How are you? :))))" way that doesn't reflect my professionalism and I feared it was affecting how others saw me.

I took a leaf out of my male colleagues' books. They email / message with no emojis, exclamation marks or fluff. Their emails aren't rude but aren't overly nice and apologetic. Turns out, while everyone respects their "direct tone" and "professional approach", I am "rude and disrespectful" for emailing the exact same way.

In fact, I once even copied an entire email from a male colleague and sent it to someone (generic wording that applied in my email anyway). My manager said it was rude! I showed my manager the emails side by side and he was embarrassed for calling me up on it. We're supposed to be a company that cares about sexism...

Anyway, have a day everyone. I refuse to be overly polite just because I'm a woman c