I have a SMTP/IBM Notes mail server which send email notification to outlook when an application in IBM Notes is approved. SMTP sends undeliverable email report when a member of 0365 has outlook email address but don't have IBM Notes account. The sender/approver in IBM Notes receives many bounce back emails in outlook. How can we block this?
How we can block undeliverable email report in outlook by enabling rules/sett开发者_如何学编程ings in SMTP server
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