There are a variety of factors that affect sending and receiving email. MX records are among them. You need to have the correct MX records to get your email.
You can verify that you have correct settings for your MX Records in the Workspace Control Center. If your current settings are incorrect, we will provide you with the correct settings for your POP or IMAP email account.
Note: Any changes made to the MX record on the domain can take up to 48 hours to propagate.