Gmail Not Sending Emails Fix is usually needed when your emails are stuck in the outbox, fail to send, or return errors. This issue can occur on both desktop browsers and mobile devices.
In this guide, you’ll learn simple step-by-step solutions to fix Gmail sending issues and restore normal functionality.
Quick Fix
Check your internet connection and refresh Gmail. Many sending issues are caused by temporary connection problems.
Try This First
- Emails stuck in outbox → refresh Gmail or restart browser
- Large attachments → reduce file size
- Gmail not responding → clear browser cache
If the issue is not resolved, follow the detailed fixes below.
Why Is Gmail Not Sending Emails?
Gmail may fail to send emails due to connection issues, attachment limits, or browser-related problems.
This issue can appear as emails stuck in outbox, sending failed, or error messages.
What Causes Gmail Not Sending Emails?
- Poor internet connection
- Large attachments
- Browser cache issues
- Gmail storage full
- Incorrect settings
- Temporary Gmail service issues
How to Fix Gmail Not Sending Emails
Try the following solutions one by one until your emails send properly.
Check Your Internet Connection
- Open another website
- If it does not load, your internet connection may be down
- Restart your router if needed
- Try sending the email again
Refresh Gmail
- Open Gmail
- Click the Refresh button (circular arrow near the address bar)
- Wait for Gmail to reload
- Try sending your email again
Check Attachment Size
- Open your email draft
- Check the size of your attachment (shown next to the file name)
- Gmail typically allows attachments up to 25 MB
- Remove or reduce large files
- Try sending the email again
Clear Browser Cache and Cookies
- Open your browser
- Press Ctrl + Shift + Delete
- Select Cached images and files and Cookies
- Click Clear data
- Restart your browser
- Open Gmail again
- Try sending the email
Check Gmail Storage Space
- Open Gmail
- Scroll to the bottom of the page
- Check your storage usage
- If storage is full, delete unnecessary emails
- Empty the Spam and Trash folders
- Try sending the email again
Disable Browser Extensions
- Open your browser
- Go to Extensions or Add-ons
- Disable all extensions
- Restart your browser
- Try sending an email
- Enable extensions one by one to find the issue
Try a Different Browser
- Open another browser
- Sign in to Gmail
- Try sending the email
- Check if the issue persists
Disable VPN (If Enabled)
- Check if a VPN application is active
- Turn off or disconnect the VPN
- Wait a few seconds
- Try sending the email again
Check Gmail Server Status
- Open your browser
- Search for “Gmail server status”
- Check if Gmail services are down
- If there is an outage, wait until it is resolved
Check Email Sending Limits
- Gmail has limits on how many emails you can send per day
- If you send too many emails, Gmail may temporarily block sending
- Wait up to 24 hours
- Try sending the email again
Reset Browser Settings
Use this if Gmail still cannot send emails after trying all other fixes.
- Open your browser
- Go to Settings
- Find Reset settings
- Click Restore settings to default
- Confirm the action
- Restart your browser
- Open Gmail and try sending again
How to Prevent Gmail Sending Issues
- Avoid large attachments
- Keep your browser updated
- Clear cache regularly
- Maintain stable internet connection
Frequently Asked Questions
Why are my Gmail emails stuck in outbox?
This usually happens due to connection issues or large attachments.
Why does Gmail fail to send emails?
It may be caused by storage limits, browser problems, or temporary service issues.
Can I fix this myself?
Yes, most Gmail sending issues can be resolved with simple troubleshooting steps.
You may also want to check our guides on Gmail Not Working Fix, Gmail Not Receiving Emails Fix, Gmail Not Loading Fix and Windows 10 No Internet Access Fix for related issues.