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1. Click the Gear icon in the top right corner of the screen and click See all Settings.
2. Click the Forwarding and POP/IMAP tab on the settings screen and under POP Download click Enable POP for all mail and click Save Changes.
Enabling Enabling Less Secure Apps
You will also need to enable less secure apps by going to your Gmail and click a link from there. Alternatively you can use the following link to enable less secure apps.
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