POP3 Read Failed Errors


You receive a POP3 connection error One or more POP3 connections failed email.

It will display the following error in the details section:

Error: read failed - connection closed?


WHMCS cannot connect to the support department mailbox using the details that you set in the mail importing configuration.


To resolve this error, update the mail importing configuration:

  1. Go to Configuration () > System Settings > Support Departments.
  2. Edit the affected support department.
  3. In the Mail Importing Configuration section:
    • Ensure that the Hostname, Username, and Password are correct for the mailbox to which WHMCS should connect.
    • Ensure that the Port value is a valid POP3 or IMAP port (typically 995 or 993).
  4. Click Save Changes.

Last modified: June 11, 2024