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The server response was: 550 5.1.1 User unknown
brindha
Member Posts: 3
I m using CU 400(SMTP Mail) to send email to customer with pdf attachment. It is working good. But when I send more than one recipients(example 10) and one of them unknown email address.
I received error message from SMTP Server "(0x8004020F): The server rejected one or more recipient addresses. The server response was: 550 5.1.1 User unknown"
For this scenario, I have the following issue;
1. 9 recipients are not receiving emails because of 1 email address is unknown.
2. SMTP server has not returned the unknown email address.
Is there any solution? Please advise.
Thank you.
I received error message from SMTP Server "(0x8004020F): The server rejected one or more recipient addresses. The server response was: 550 5.1.1 User unknown"
For this scenario, I have the following issue;
1. 9 recipients are not receiving emails because of 1 email address is unknown.
2. SMTP server has not returned the unknown email address.
Is there any solution? Please advise.
Thank you.
0
Comments
Did you try to send 10 individual emails rather then one email to 10 people?
Thanks.
Actually, I have to add my(user) IP address into Exchange Server(Open Relay Server). Now it works like normal email. That means sender received Undeliverable notification and also email received by rest of 9 recipients.
Thank you for your response.