How to Limit Outgoing Messages in Plesk (Outgoing Mail Control)
Overview
The Outgoing Mail Control feature in Plesk allows administrators to set limits on the number of emails sent per hour by each domain, mailbox, or subscription.
This feature helps protect your server’s reputation by preventing spam or excessive outgoing messages that could cause blacklisting.
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Limit Outgoing Mail
1- Log in to your Plesk Panel
Access your Plesk account through your Thamara Hosting Dashboard.
2- Navigate to Outgoing Mail Control
In the left sidebar, go to Mail → Outgoing Mail control → Outgoing Mail Control

3. Configure Sending Limits
You can set limits per:
- Mailbox (individual email accounts)
- Domain
- Subscription
Example: “100 messages per hour per mailbox”


Apply and Save Changes
Click Apply or OK to save your configuration.
"Tips and Recommendations For thamara users "
- For normal usage, set 100–200 emails/hour per mailbox.
- Avoid setting the limit to Unlimited, as it increases spam risk.
- Regularly check Mail Logs to identify accounts that reach their limit frequently.
Updated on: 02/11/2025
Thank you!