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Fix the Message Cannot Be Sent Right Now error in outlook.

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However, like any software, it can encounter errors that disrupt its smooth functioning. One such error isThe Message Cannot Be Sent Right Now,”  which can be frustrating for users trying to send important emails. In this article, we will explore the possible causes behind this error and provide practical solutions to resolve it.

Message cannot be sent outlook error

Easy ways to fix this outlook Error “The Message Cannot Be Sent Right Now”

Review Outgoing Server Settings:

Incorrect outgoing server settings can lead to email delivery issues. Verify that you have correctly configured the SMTP (Simple Mail Transfer Protocol) settings for your email account in Outlook. Ensure that the server address, port number, and authentication settings match the requirements of your email provider.

Check SMTP Port and Encryption:

Some email providers use specific port numbers and encryption methods for sending emails. Ensure that you are using the correct port number and encryption (if required) for your SMTP server. Commonly used port numbers are 25, 465, and 587. Refer to your email provider’s documentation or contact their support for the accurate information.

Clear Outbox Folder:

If a particular email in your Outbox is causing the error Message Cannot Be Sent Right Now, in outlook  it might be due to a corrupted or large attachment or an issue with the email’s formatting. Open your Outbox folder in Outlook and delete any problematic emails. If needed, you can recreate the email or resend it after making necessary adjustments.

Reasons for this Error “The Message Cannot Be Sent Right Now”:

Blocked by antivirus or firewall:

Check if your antivirus software or firewall is blocking Outlook from sending emails. Temporarily disable them and try sending the email again. If the email goes through, adjust the settings of your security software to allow Outlook access.

Server issues:

Sometimes, the email server you are using may experience temporary issues or be undergoing maintenance. In such cases, you may receive the error message. Wait for some time and try sending the email again later.

Overloaded Outlook profile:

If your Outlook profile is overloaded with many emails, it can slow down the application and cause issues while sending messages. Try archiving or deleting old emails to reduce the load on your profile.

More Easy Ways to solve this Error “The Message Cannot Be Sent Right Now” in outlook

Update Outlook and Add-ins:

Outdated software can have compatibility issues that lead to errors. Ensure that you have the latest version of Outlook installed on your computer. Additionally, update any add-ins or plugins you have installed, as they can sometimes interfere with email sending. Check the developer’s website for any available updates or patches.

Repair Outlook Data Files:

Corrupted or damaged Outlook data files can cause various errors, including the one at hand. Use the built-in “Scanpst.exe” tool (for PST files) or “Scanost.exe” tool (for OST files) to scan and repair the respective data files. These tools can be found in the installation directory of Outlook.

Create a New Outlook Profile:

If the error Message Cannot Be Sent Right Now persists, it may be due to a corrupt Outlook profile. Create a new profile and configure your email account again. This process will create a fresh profile, eliminating any potential issues with the old one. Remember to back up any important data associated with your old profile before proceeding.


Encountering the “The Message Cannot Be Sent Right Now” error in Outlook can be a frustrating experience. However, by following the troubleshooting steps outlined in this article, you should be able to resolve the issue. If the problem persists, it is advisable to reach out to Microsoft support or your email provider for further assistance. 

The reason why you get the error is because Outlook is not authenticating your account on the server while sending it, so the outgoing mail server rejects the message.

simply, access Outlook in your browser and open the Settings page. From there you should find the option to verify your account. Once your account is verified, this error message should be completely resolved and you’ll be able to send emails once again.

A simple mail transfer protocol (SMTP) server is a communication protocol that enables you to send and receive emails. Without an SMTP server, you can’t send your email to recipients.

If Outlook is full, you may also encounter the error: The message cannot be sent right now. Deleted emails will be temporarily stored in the Deleted Items folder. To permanently deleted them, you should right-click the Deleted Items folder and select Empty Folder.

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