1,459 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 98%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
For your reference, see Fix email delivery issues for error code 550 4.4.7 in Exchange Online.
error '[{LRT=};{LED=};{FQDN=};{IP=}]'.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 72%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Ruben Melo
0
Reputation points
an user can not recive any emails from any one but the problem is only with one user
Exchange | Exchange Server | Other
Exchange | Exchange Server | Management
7,925 questions
{count} votes
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 31%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJX%3C/text%3E%3C/svg%3E)
Jame Xu-MSFT 4,191 Reputation points2023-02-09T08:03:54.2066667+00:00 Hi @Ruben Melo ,
What version of Exchange are you using? Is this user able to send emails? Could you provide specific error messages?
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Jame Xu-MSFT 4,191 Reputation points
2023-02-13T02:23:03.5033333+00:00 Hello, I'm here to confirm that is there any progress in your question?
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