If emails from us are ending up in your spam folder, there are many reasons why this may be happening, and this is what you can do about it:
Open the emails regularly
If you don't open emails for a period of time, many email-sending systems will assume you no longer want to receive them and automatically stop sending them, regardless of whether you want them or not.
Email providers like Google, Microsoft, and Yahoo may also label any emails on their side SPAM if you don't open them.
If your emails are ending up in the SPAM/JUNK folder, then one step that may help ensure they land in your inbox would be to white label the sender's address.
So, if you receive an email like support@examplecompany.com, you would white label that address in your email client.
Here are the instructions for doing that:
"Why whitelist emails?" https://blog.hubspot.com/marketing/email-whitelist