Protect IID - Protect your privacy with single-use email addresses
e4ward - E-Mail-forwarding from a freely selectable to another E-Mail-address.
Shitmail - Tired of receiving spam in your mailbox? This only happened because you inserted someday your email address on some shitty sites.
Harakirimail - Harakirimail is a free disposable email service. Just send email to anythingyouwant@harakirimail.
CatchMailNot - replace your real email with unlimited custom addresses
Mailinator - Any Inbox. Any Time.