제 아웃룩 메일 보낼때 특정 주소 @kvtco.co.kr 로 보내면 리턴되어 돌아옵니다.
그쪽 서버에 문의했더니 아래 메세지를 보여주며, 제 메일이 스팸으로 등록되어 그런거니
아웃룩에 문의 하라 하더군요
빠른 조처 부탁드립니다.
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s****@kvtco.co.kr (sk****@kvtco.co.kr)
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김서희이사KVT (sh****@kvtco.co.kr)
Your message couldn't be delivered because it's suspected of being spam. For best practices when sending email, refer to the guidelines found here: https://go.microsoft.com/fwlink/?LinkID=526654.
rblsmtpd.local gave this error: Decision Engine classified the mail item was rejected because of IP Block (from outbound normal IP pools) -> 553 Blocked - see https://www.spamcop.net/bl.shtml?40.107.20.45
***Email hashed for privacy and security reasons.