How to Fix Gmail Not Sending Emails?

Gmail is one of the most reliable email services available, but sometimes users face issues where Gmail is not sending emails. This can be frustrating, especially when trying to send important messages. Below are troubleshooting steps and solutions to fix the problem.

Common Causes of Gmail Not Sending Emails

Poor Internet Connection - If your internet is unstable, Gmail may fail to send emails.

Server Issues - Gmail servers might be experiencing downtime.

Incorrect Email Address - A wrongly typed email address can prevent sending.

Blocked Account - Google might have temporarily blocked your account due to suspicious activity.

Large Attachments - If the email contains attachments over 25MB, Gmail won't send it.

Browser Issues - Cache and cookies can interfere with Gmail functionality.

Outdated App or Browser - Using an outdated version of the Gmail app or browser can cause problems.

SMTP Settings Misconfiguration - If using a third-party email client, incorrect SMTP settings can prevent email delivery.

Storage Full - If your Google account storage is full, you may be unable to send emails.

Gmail Filters and Extensions - Some extensions or Gmail filters might block outgoing emails.

Solutions to Fix Gmail Not Sending Emails

1. Check Internet Connection

Ensure you have a stable internet connection. Restart your router or switch to another network if necessary.

2. Verify Gmail Server Status

Go to Google Workspace Status Dashboard to check if Gmail is down.

3. Clear Browser Cache and Cookies

Open your browser settings.
Navigate to Privacy & Security.
Clear browsing data (cache, cookies, and history).
Restart your browser and try again.

4. Restart Your Device

Sometimes, a simple restart can resolve email sending issues.

5. Update Your Browser or Gmail App

Update your browser to the latest version.
If using the Gmail app, update it via the Google Play Store or App Store.

6. Check and Remove Attachments

If the attachment exceeds 25MB, use Google Drive to send large files instead.

7. Verify Recipient Email Address

Double-check the email address to ensure it is correctly entered.

8. Disable Browser Extensions

Open your browser.
Disable extensions one by one and check if Gmail works after each.

9. Disable Gmail Labs Features

Open Gmail settings.
Navigate to the "Advanced" tab.
Disable any active experimental features.

10. Check for Email Blocks or Restrictions

Google may temporarily block your account due to excessive email sending. Visit Google Account Help for account recovery options.

11. Verify SMTP Settings (For Third-Party Clients)

If using an email client like Outlook, ensure these SMTP settings:

SMTP Server: smtp.gmail.com
Port: 465 (SSL) or 587 (TLS)
Authentication: Required
Username: Your full Gmail address
Password: Your Gmail password

12. Check Google Account Storage

Visit Google One Storage to check if you have free space.
If full, delete unnecessary emails or files from Google Drive.

13. Use Another Browser or Device

Try logging in from another device or browser to see if the issue persists.

14. Try Sending in Incognito Mode

Open your browser in incognito mode (Ctrl+Shift+N in Chrome).
Log into Gmail and try sending an email.

15. Disable Security Software Temporarily

Some antivirus or firewall settings may block Gmail. Try disabling them temporarily.

Frequently Asked Questions (FAQ)

Q1: Why is my Gmail stuck on "Sending"?

A: This could be due to an unstable internet connection, large attachments, or a browser issue. Restart your internet and clear your browser cache.

Q2: How can I check if Gmail is down?

A: Visit Google Workspace Status Dashboard to check if Gmail services are down.

Q3: Why does my email go to "Outbox" instead of sending?

A: Poor internet connection, incorrect SMTP settings, or large attachments could be causing this. Ensure a stable connection and reduce attachment size.

Q4: What should I do if Gmail says my account is blocked?

A: Visit Google Account Recovery to unlock your account.

Q5: Can browser extensions interfere with Gmail?

A: Yes, some extensions may block outgoing emails. Disable extensions and try again.

Q6: How do I fix Gmail not sending on my phone?

A: Restart your phone, update the Gmail app, clear the app cache, and check your internet connection.

Q7: How do I send large files via Gmail?

A: Use Google Drive to send files larger than 25MB.

Following these steps should resolve Gmail's email-sending issues. If the problem persists, contact Google Support.

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