Yes, postheo.de can receive emails.
No, postheo.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
188.68.47.247
MX record
mx.discard.email
37.120.169.172
This domain has been found on tempr.email
See all 128 domains from tempr.email.