limit sent

If Outlook has blocked your ability to send emails, it could be due to several reasons, even if you believe you are under your limit. Here are some potential causes:

1. Message Size Limit: Ensure that the email you are trying to send does not exceed the maximum size limit set by your Exchange server. For example, the limit for sending emails can be around 35 MB.
2. Junk E-mail List Limit: If you have a large number of entries in your Safe Senders, Blocked Senders, and Safe Recipients lists, you may encounter issues. The cumulative limit for these lists is 510 KB. If you exceed this limit, it may prevent you from sending emails.
3. Exchange Server Configuration: There might be settings on the Exchange server that restrict your ability to send emails, such as the Max Extended Rule Size registry value being incorrectly configured.
4. Trust E-mail from Contacts: If you have the option to trust e-mail from your contacts enabled, and you have many contacts, it could inadvertently exceed the 510-KB limit.

To resolve the issue, you may need to check the size of your email, review your Junk E-mail lists, and consult with your administrator regarding the Exchange server settings.

References:

• Outlook error indicates that you are over the Junk E-mail list limit
• Outlook error indicates that you are over the Junk E-mail list limit

i did all of that anf still cant send emails i need to work

Hi @Sukhi Nelson

Thank you for posting your question in the Q&A Forum. 

We understand how frustrating it can be when your emails are blocked, especially if you believe you are under the sending limit. 

Usually, this happens due to server-side sending or throttling limits rather than Outlook itself. These limits control the number of recipients you can email per hour/day and the sending rate, helping protect the service from spam or unusual activity. 

To help you get back to sending emails quickly, here is a prioritized checklist: 

Checks & Unblocking 

• Try sending emails from Outlook on the Web (OWA) and see if it works. Look for any identity verification prompts or security alerts, verifying your identity often restores sending capabilities immediately. 
• If you are using an organization email, your IT Administrator can check whether your account may have been automatically flagged and placed on the "Restricted Users" list. Only an Admin can remove this restriction from the server side. 
• If hourly or daily limits have been reached, wait for recipient counters to reset, daily or hourly recipient counters will typically reset within 24 hours. 

Preventing Future Blocks 

• Avoid sending large volumes at once or using bulk BCC. Divide large recipient lists into smaller groups. 
• For internal emails, use a distribution list or Microsoft 365 Group, sending to a group counts as a single send. 
• For newsletters or large-scale notifications, consider Microsoft-approved bulk email solutions to stay safely under throttling limits.

For detailed technical insight into the policies governing your mailbox, we recommend reviewing the official documentation. These limits explain why sending is controlled: 

• Exchange Online limits - Service Descriptions | Microsoft Learn
• Message rate limits and throttling | Microsoft Learn

Following these steps should help you understand why sending may be blocked and allow you to resume sending emails as efficiently as possible. 

We hope this helps you get back to work smoothly.

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