Yes, proc.icu can receive emails.
No, proc.icu 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
185.51.247.169
MX records
mail.proc.icu
185.51.247.169
mail.proc.icu
185.51.247.169
sss.pp.ua
51.38.115.65