Kindly follow the below settings to configure the email account in email client.

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Username : Full email address
Password : Correct email password

Select POP

Incoming mail server : pop.gmail.com
Requires SSL: Yes    Port: 993

Outgoing Mail server : smtp.gmail.com    
Requires SSL: Yes    Port for SSL: 465
Requires TLS: Yes (if available)   Port for TLS/STARTTLS: 587
Requires Authentication: Yes

In More or Advanced Settings - Select SMTP Authentication Enabled
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