I sent a mail a few hours ago( suppose to person A and person B) but one of them lets say person A has a system in place such that mails from unknown Id's are blocked but person B doesn't, so person A did not receive the mail and I got a not delivered response back from the email bot. My question is if email to person A was blocked, will person B receive the mail or not (Person B does not have the said security in place and can receive my mails)
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