Outlook & Email
Outlook not sending emails
Fix the most common Outlook send failures and make sure messages reach clients on time.
Difficulty
Medium
Estimated time
10 minutes
Troubleshooting steps
Follow the action plan below to resolve the issue quickly.
- 1
Step 1
Open Outlook and check for any unsent messages in the Outbox.
- 2
Step 2
Confirm your account settings match the recommended SMTP server and port.
- 3
Step 3
Restart Outlook and your computer.
- 4
Step 4
Temporarily disable email antivirus scanning or firewall rules.
- 5
Step 5
Run Microsoft Support and Recovery Assistant if the issue persists.
Important note
If messages still fail after rebuilding the account, book support so we can review your Outlook profile, exchange settings, or mail flow.
Still not fixed?
BlynkCloud can fix this remotely in minutes.
Same-day support available for Essex and London small businesses. Book remote IT support now and resolve the issue with expert help.