Yes, saigonmail.us can receive emails.
No, saigonmail.us 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
162.255.119.229
MX records
eforward1.registrar-servers.com
162.255.118.61
eforward2.registrar-servers.com
162.255.118.62
eforward3.registrar-servers.com
162.255.118.61
eforward4.registrar-servers.com
162.255.118.62
eforward5.registrar-servers.com
162.255.118.62
generator.email
51.38.115.65