Yes, myrambler.ru can receive emails.
No, myrambler.ru 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
81.19.66.178
MX records
inmx.rambler.ru
81.19.78.64
inmx.rambler.ru
81.19.78.65