How to swipe to delete messages in your iPhone's Mail app by enabling the feature

You can swipe to delete messages in the iPhone's Mail app, but you'll need to enable this option in Settings.

How to empty trash on your iPad in 4 different apps to free up storage space

You can empty trash on your iPad in the Photos, Mail, Notes, and Files apps to free up storage space. Here's how to do it.
CNET

Gmail Inbox Overflowing? Here's the Easy Way to Get Back 15GB of Storage

1. Start by logging into your original Gmail account, clicking the "gear" icon in the top right and clicking See all settings . 2. Select the Forwarding POP/IMAP tab and then select the option Enable ...