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Emails are not sending; (99) Cannot assign requested address

cPanelAaronH
  • Updated

Symptoms

The Exim mail queue is building, and mail is not leaving the server with the following error or similar:

CONFIG_TEXT: Cannot assign requested address

 

Cause

The issue comes from an IP(s) listed within /etc/mailips that's not bound to the server.

 

Resolution

The /etc/mailips file needs to be corrected with an existing IP, or the customization needs to be disabled.

Correct /etc/mailips
  1. Log in to the server via SSH or WHM's Terminal as the root user.

  2. Open /etc/mailips in your preferred text editor, such as:

    # nano /etc/mailips

  3. Ensure the IP(s) provided within the file exist on the server. The proper format of /etc/mailips looks like:

    # cat /etc/mailips
    example.com: 203.0.113.3
    sub.example.com: 203.0.113.4
    example.net: 203.0.113.5
    addon.example.net: 203.0.113.6
    *: 203.0.113.2

  4. Save the file.
Disable the /etc/mailips customization
  1. Log in to WHM as root.
  2. Navigate to Home / Service Configuration / Exim Configuration Manager.
  3. Set Reference /etc/mailips for custom IP on outgoing SMTP connections to Off.
  4. Click the Save button at the bottom.

Once you have corrected /etc/mailips or disabled its customization, you can then start an email queue run:

  1. Log in to the server via SSH or WHM's Terminal as the root user.

  2. Run the command:

    # exim -qf &

 

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