pak syafril jika terjadi gagal kirim dengan pesan seperti ini kenapa ya pak?

terimaksih sebelum nya


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<kusw...@kbkgold.co.id>: host
    kbkgold-co-id.mail.protection.outlook.com[65.55.88.10] said: 550 5.4.1
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    [PU1APC01FT060.eop-APC01.prod.protection.outlook.com] (in reply to RCPT
TO
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Final-Recipient: rfc822; kusw...@kbkgold.co.id
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Remote-MTA: dns; kbkgold-co-id.mail.protection.outlook.com
Diagnostic-Code: smtp; 550 5.4.1 [kusw...@kbkgold.co.id]: Recipient address
    rejected: Access denied
    [PU1APC01FT060.eop-APC01.prod.protection.outlook.com]



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To: jean.yuan...@kbkgold.co.id, raya...@kbkgold.co.id,
 tania.widyast...@kbkgold.co.id, erin.maulidi...@kbkgold.co.id,
 kusw...@kbkgold.co.id, Julia Mardiani <julia.mardi...@kbkgold.co.id>
Cc: Irsan <ir...@geosinindo.co.id>, ri...@geosinindo.co.id,
 steva...@geosinindo.co.id
From: Mariani <mari...@geosinindo.co.id>
Subject: PT. Kasongan Bumi Kencana
Message-ID: <ab7369b9-b7a6-9704-1b9a-382cd4087...@geosinindo.co.id>
Date: Tue, 4 Jul 2017 15:01:12 +0700
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