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