Yes, jetable.de can receive emails.
No, jetable.de is a throwaway domain and should be blocked.
You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.
A record
45.67.69.51
MX records
mx1.securemail.name
45.67.70.2
mx2.securemail.name
45.67.70.2