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Should domain be whitelisted in the email server?
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Forum:
Internet
Category:
Email
Title:
Should domain be whitelisted in the email server?
Miscellaneous
Thread ID:
01681897
Message ID:
01681897
Views:
41
Hi,

A customer reported a problem where some of the emails sent by my ASP.NET application are rejected. The error message is:
The server response was: 4.4.62 Mail sent to the wrong Office 365
I noticed that all emails that were rejected have a common domain. For example "@country.gov"

I don't know how email servers work. But do you think the organization IT should whitelist this domain ("@country.gov") in the email server?

TIA
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
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