Someone, probably you, from IP address $1, has changed the e-mail address of the account "$2" to this address on TrainzOnline.
To confirm that this account really does belong to you and reactivate e-mail features on TrainzOnline, open this link in your browser:
$3
If the account does *not* belong to you, follow this link to cancel the e-mail address confirmation:
$5
This confirmation code will expire at $4.