NDR error "550 4.4.7" when sending BCC to gmail accounts

  • Thread starter Thread starter JM Data Admin
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JM Data Admin

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Hi, I am recieving -NDR error "550 4.4.7" in return after sending a mail to gmail account on BCC but i can send the mail to the reciever if i send it directly. In the original mail, i sent to 12 receivers, yahoo.com, Outlook, etc. but all the gmail accounts is getting returned, i recieve an email with all the gmail accounts all displaying the above error. Only gmail accounts is getting returned. But if i send the same mail to one of the gmail accounts directly, it sends with no problem. In the error email, i get the following link as a possible solution: A rainbow's nocturnal cousin

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