Phishing Mails sent by adobe-campaign

Hello,

today I received a couple of phishing mails to my website's server.

I was confused, because I never used this mail address for the service I received the mail for. (otto.de) 

This is what I received, newsletter subscription and password changed emails, to a name that is not mine:

This is the source code of the mail:

Could you please check on this? I think some users might now be as wary as me.