Someone, probably you, from IP address $1, has registered an account "$2" with this e-mail address on In-Portal User Manual.
To confirm that this account really does belong to you and activate e-mail features on In-Portal User Manual, open this link in your browser:
$3
If you did *not* register the account, follow this link to cancel the e-mail address confirmation:
$5
This confirmation code will expire at $4.