[canada_dry]

Back from the days when hotmail.com stood for HTML mail.

[ChrisArchitect]

bunch of years before that... but wait, did hotmail really mean that?! Not sure I've ever heard that! Or at least also forgotten that. Feel like when MS acquired they didn't promote/brand it like that so the HTML connection was lost (even tho it was obviously a website/webmail etc) :)

[tdeck]

I think canada_dry is right. They used to spell it HoTMaiL.

[einr]

Yes, it briefly had this abomination of a logo before adopting a more sensible identity:

https://logodix.com/logo/715204.gif

[StavrosK]

Oh God, the 1990, it hurts.