Yes, pubmail886.com can receive emails.
No, pubmail886.com 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
195.22.26.248
MX records
mx5.csof.net
148.251.6.55
mx6.csof.net
148.251.6.54