In letzter Zeit tauchen wieder vermehrt solche oder ähnliche Mails auf:

Dear E-Mail User.

Your Mail quota has reached limit, You might not be able to send or receive new mail until you re-validate your mailbox .
To re-validate your mailbox reply to this notification and fill
{ Your E-Mail Address………
{Username………………..
{ Password…………….
{Alternative E-Mail address

Failure to do so will lead to termination of your Email account
Technical Support 192.168.0.1

Sie würden doch auch keinem Fremden Ihre Kreditkarte samt PIN geben…
Einfach in den Papierkorb damit!!!