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Why Is My Outlook Email Not Sending?

Published in Email Troubleshooting 3 mins read

There are several reasons why your Outlook email might not be sending. Let's explore the most common culprits and how to troubleshoot them:

1. Check Your Internet Connection

The most basic reason your email might not be sending is a lack of internet connectivity.

  • Solution: Ensure you're connected to the internet by checking your Wi-Fi or Ethernet connection. If you're using a mobile hotspot, make sure it's active and has sufficient data.

2. Verify Your Email Address and Password

A simple oversight can be the culprit. Double-check if you've entered the correct email address and password in your Outlook account settings.

  • Solution: Log out of your Outlook account and log back in, carefully verifying the credentials.

3. Check Your Outbox

Sometimes, your email might be stuck in the outbox. This could be due to a temporary server issue or a large attachment.

  • Solution: Check your outbox for any pending emails. If you see your email, try resending it. If the email is stuck, you might need to delete it and compose it again.

4. Examine Your Email Size and Attachments

Large emails or attachments can exceed the size limits set by your email provider.

  • Solution: Check the size of your email and attachments. If they exceed the limit, try compressing the attachments or breaking down the email into smaller parts.

5. Verify Your Email Filters

Outlook has built-in filters that might be blocking your emails from being sent.

  • Solution: Review your email filters and ensure that they are not preventing your emails from reaching their intended recipients.

6. Look for Server Issues

Sometimes, the issue might be with Outlook's servers.

  • Solution: Check the Microsoft Outlook service status page for any reported outages or server issues.

7. Consider Firewall or Antivirus Interference

Your firewall or antivirus software might be blocking Outlook from sending emails.

  • Solution: Temporarily disable your firewall or antivirus software to see if it resolves the issue. If it does, you might need to configure your security software to allow Outlook access.

8. Investigate Account Restrictions

Your email account might have restrictions on sending emails, such as daily limits or restrictions on sending to specific domains.

  • Solution: Contact your email provider to inquire about any account restrictions that might be affecting your email sending.

9. Contact Your Email Provider

If you've exhausted all other troubleshooting steps, contact your email provider for assistance. They can help you diagnose and resolve the issue.

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