Docs Error Library Email Delivery Errors Error 531: Mail System Full

Error 531: Mail System Full

What Is Causing This Error?

‘Error 531: Mail System Full’ typically occurs when the recipient’s email server has reached its storage capacity and cannot accept new messages. This situation can be due to the mail server itself being overloaded with data or individual mailboxes hitting their maximum allowed storage limits. The error signifies that there’s insufficient space within the mail system to process or store incoming emails, leading to a rejection of new messages.

Resolving the Error – Solution

To address Error 531, the recipients or their email system administrators need to take action to free up space within the mail system. This can involve deleting old or unnecessary emails, archiving important emails to an external storage solution, or increasing the storage capacity of the mail server.

For individual users nearing their mailbox limits, cleaning up their inboxes and other folders can help create room for new messages. Once sufficient space has been made available, the mail system should be able to accept new emails without returning Error 531.

That’s it! Now you know how to fix Error 531.

If you’d like to learn how to troubleshoot other common errors, check out the following tutorials: