Can Tenants Email or Text 30-day or 60-Day Termination Notices in Residential Month-to-Month Tenancies in California?

I have been running into situations where residential landlords and tenants have been sending emails to one another to give notice to terminate their month-to-month tenancies. For some landlord-tenant relationships, the tenancy ends without any issues. However, in many situations, there are usually problems. There might be a tenant who has allowed other persons to [...]