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Domain MX record A record SPF record DKIM record DMARC record CatchALL SSL Operating
  • After adding a domain name, you need to add MX records (for mailbox services) and TXT records (for mailbox anti-spam services) in order to use the mailbox service normally.
  • Tip: Some cloud vendors will shut down port 25 by default. You need to contact the manufacturer to open port 25 to use the post office service
  • The self-built post office version is the base version. It only provides basic functions. For more functions, please be patient and wait for the development progress.