If you have a local mail server installed and change your server controlpanel to ISPConfig 3, having used ISPConfig 2 in the past, you may have to change the value that defines the form field observed by all functions in need of the address that mails are supposed to be delivered to (catchalls, etc.) on your mail server preferences since the identifier has changed from X-Delivered-To to Delivered-To in ISPConfig 3; otherwise the system won't be able to find the necessary information in the mails' headers.

Restart the server afterwards and you should find it working again.

Thanks to Alexander Fox for this post!

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2 thoughts on “Change of mail header form field identifier from ISPConfig 2 to ISPConfig 3

  • February 25, 2014 at 10:28 pm

    Was looking for this, thanks a lot!

  • April 16, 2014 at 9:37 am

    Was searching for this, much appreciated!


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