Fix: Gmail not sending emails on Android

Gmail as a service might be quite solid but the Gmail app for Android is not everyone’s cup of tea. Since Google discontinued Inbox (which was a fun favorite), Gmail for Android has hardly been a worthy replacement. Especially if there are essential issues like Gmail not sending emails.

If you are unable to receive emails via Gmail, check our article about that, here. On the other hand, if you are unable to send emails as they get stuck in Outbox, follow the steps below.

Table of contents:

  1. Double-check recipients and email details
  2. Make sure you’ve configured Gmail server properly
  3. Clear cache and data
  4. Reinstall Gmail
  5. Remove the Google Account and add it again

Why is Gmail not sending my emails?

There are multiple reasons why this would happen. Usually, there’s a temporary server-side issue and your emails will, after some time in Outbox, get sent eventually. However, the problem might lie in the app, connection, or badly configured POP/SMTP server.

Whatever it is, we are sure you are quite annoyed by it. Make sure to follow the troubleshooting steps we listed below in order for Gmail to start sending your emails again.

Solution 1 – Double-check recipients and email details

Firstly, and we are here pointing the obvious, but double-check your recipient’s email address and the subject field. Even a small mistake will prevent sending and your email message will be permanently stuck in Outbox.

On the other hand, if you are sure that everything is on point, but your Gmail emails still won’t send, continue troubleshooting.

Bonus: Take care of your passwords!

Are you using the same password for all your accounts? Is it something simple like the name of your pet or the club you're rooting for? If the answer is yes, you're not making it any harder for hackers and other scammers to break into your account.

It's strongly recommended that you use a complex combination of letters, numbers, and symbols instead of super-predictable words that mean something to you.

But who's going to remeber all that? Well, you don't need to. All you need to do is subscribe to a password manager, store all your passwords inside, and use it to log into all your accounts.

Our sponsor is NordPass, so if I convinced you to invest in a password manager, you might as well give this one a try. It's reliable, convinient, and most importantly, it's new on the market, so you can get it for half the price right now!

Solution 2 – Make sure you’ve configured Gmail server properly

If you are using other email accounts (non-Gmail accounts), make sure that you are properly signed in with your credentials. Furthermore, ensure that POP/SMTP Servers are using appropriate ports.

You can learn more about how to set and configure a third-party email account on the Gmail client, here.

Solution 3 – Clear cache and data

In order to resolve usual issues with third-party apps on Android, the best first step is clearing the locally-stored cache and data. These are stored to keep your files, speed up the loading speeds (so not everything needs to load every time you access an app), and more.

However, after some time, having an abundant cache and data might bring more bad than good, slow down the app, make it fail to initiate or crash. That’s why we recommend clearing cache and data.

Follow these instructions to clear cache and data from Gmail on Android:

  1. Open Settings.
  2. Choose Apps.
  3. Then open App Manager, All apps, or Manage apps.
  4. Locate Gmail.
  5. Tap Storage.
  6. First, clear Cache and then tap Clear Data.
  7. Reboot your device, open Gmail again, and try sending emails.

Solution 4 – Reinstall Gmail

If the previous step fell short, you can try and uninstall Gmail. Of course, some OEMs with their close-to-stock Android experience make Gmail a system app. This means that you are not able to uninstall it but rather uninstall its updates and they’ll install again.

One way or another, it’s worth a try. Follow these steps to reinstall Gmail on your Android handset:

  1. Navigate to Settings > Apps > All apps > Gmail.
  2. Tap Uninstall or Uninstall updates.
  3. Now, open the Play Store and locate Gmail.
  4. Install Gmail and reboot your device.
  5. You’ll be signed in automatically so check for improvements in regards to email-sending issues.

Solution 5 – Remove the Google Account and add it again

Finally, you can try to start with a clean slate — remove your Google Account and add it again. This way, Gmail and other Google services on your device will reset. The procedure is simple and you won’t lose anything as everything is cloud-based.

Follow these steps to remove the Google Account from your device and add it again:

  1. Open Settings.
  2. Choose Accounts.
  3. Select Google.
  4. Tap More and remove the Google account.
  5. Reboot your device and sign in again.

This is the last thing we can suggest. If the problem persists, make sure to reach out to Google support and ask for resolution.

Just have in mind that Gmail, like many of Google’s platforms, is an object of constant change. Changes that are supposed to make things better but bring a lot of isolated or even public issues to end-users.

With that, we can call it a wrap. Thank you for reading and make sure to tell us about your issues with Gmail or possible solutions that we forgot to mention. You can do so in the comments section below.

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