If you're not getting all of the emails you should, try changing Gmail's filter, forwarding, or spam settings.
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How to Fix Gmail When It's Not Receiving Emails
Gmail is one of the most popular applications for sending and receiving emails. However, you might encounter a situation where Gmail stops receiving emails, which essentially disrupts its purpose.
CNET has the full steps over at its site, but in Gmail you can use the "Forwarding POP/IMAP" tab to forward all your emails ...
1. Start by logging into your original Gmail account, clicking the "gear" icon in the top right and clicking See all settings ...
To block and report emails in Gmail on desktop or mobile, click or tap the "More icon" or the "Report spam" button.
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