Disclaimer in der Email ungültig?

JokerGermany spam.an.joker at googlemail.com
Do Jan 6 17:15:39 UTC 2011

Hi, da wir das Thema letzten mal hatten und ich das gerne jemanden mal 
erklären möchte, der diesen Disclaimer benutzt:

> Disclaimer
> ---------------------------------------------------------------------------------------------------------------------------------
> This communication is for use by the intended recipient and contains information that may be privileged, confidential or copyrighted under applicable law. If you are not the intended recipient, you are hereby formally notified that any use, copying or distribution of this eMail, in whole or in part, is strictly prohibited. Please notify the sender by return e-mail and delete this eMail from your system. Unless explicitly and conspicuously designated as "E-Contract Intended", this eMail does not constitute a contract offer, a contract amendment, or an acceptance of a contract offer. This eMail does not constitute a consent to the use of sender's contact information for direct marketing purposes or for transfers of data to third parties.

Ist der tatsächlich nicht gültig?
Wenn nein, wo steht das?

Vielen Dank :)

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