My email on iPhone 4 consumed 8 GB from usage. I deleted all mail and the account and there's still 8 GB consumed. I use STMP mail. What else do I need to do?.

  • Did you empty your trash?
    – JMY1000
    Apr 29 '16 at 20:26

Did you restart the phone after you deleted the emails? If that doesn't work, try removing that particular email account, rebooting the phone and then re-adding it via Settings App > Mail, Contacts & Calendar


The Apple Mail app likes to keep cache and data from your emails available offline. That is very helpful for viewing emails and their digital content when you dont have a strong signal, or have access to wifi.

There are some solutions that can help you out though:

Delete the mail account off of the iPhone. Then restart the iPhone and then re-add that email back to the iPhone. Use the Gmail app for iPhone. The gmail app will keep the email size much lower than whats on your iPhone. The most I've seen the gmail app do for me is 400MB. Thats definitely a huge saving in contrast to 2.5GB. Limit the amount of email that Gmail can allow the Apple Mail app to have access to. You will have to use the desktop to access this setting in gmail. You can log onto gmail.com, open the Settings page, click “Forwarding and POP/IMAP,” and activate the “Limit IMAP folders to contain no more than this many messages” option. Set it to lets say “1000” and the Mail app won’t be able to download more than the 1000 emails from your account. If you use multiple folders, then that 1000 emails applies to each folder. These three should give you some options to test out and free up some of your storage that the Mail app is eating up.

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