If you are looking for Gmail pop3 setting hen here are the steps that you need to follow:

First, set up POP in Gmail
On your computer, open Gmail.
In the top right, click Settings. See all settings.
Click the Forwarding and POP/IMAP tab.
Move to the "POP Download" section, then you have to choose the Enable POP option for all mail and activate POP for mail that arrives.
Scroll down the bottom of the page, then click on the Save Changes button.
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