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Return to your Gmail inbox, and the add-on should refresh (after closing the tab earlier) and you’re now able to use Automail:
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Troubleshooting
Draft reply doesn’t show under the same email after clicking the “Draft Bid” button?
Check that the following two settings have been configured, which may be preventing the draft reply from showing up under the same email:
Open the quick settings for your Gmail inbox (by clicking the gear icon in the top right corner)
Scroll all the way to the bottom
The setting “Conversation view” should be enabled (i.e. the box should be checked)
See all settings for your Gmail inbox (by clicking “See all settings” under “Quick settings”)
Under General, scroll down until you see “Conversation View”
For the “Conversation View” setting, “Conversation view on” should be selected