No that sounds like something I'd really want to avoid.

Partly for security, but mostly just for segmentation of my brain/attention span. The different emails are all for different purposes and are never really used at the same time or same context.

Plus also I don't have a Mac so no CMD key. If you are building a product, please don't do a mac-only release. Lots of developers don't use Macs despite what people seem to think