Yes, sometimes your passport just shows up on your doorstep with no email from UKVI.
So, if you don’t get an email, you just have to wait until your passport arrives to see if you got the visa or not.
If it’s a spousal visa, and it’s been approved, you should have a 30-day visa sticker in your passport and an accompanying letter explaining how, when and where to pick up your BRP card once you have arrived in the UK.
If the visa has been refused, you should get a letter with your passport explaining the reason for refusal.
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