Why have my emails stopped syncing on my phone?

https://printersofflines.com/blog/email-not-syncing-on-mobile-devices

Email is one of the most important communication tools for personal and professional use. Whether you use it to stay in touch with family, manage your business, receive important notifications, or communicate with clients, having your emails sync properly across your devices is essential. When your phone suddenly stops receiving new emails, it can be frustrating and may cause you to miss important messages.