NDR error 550 5.1.10 RESOLVER.ADR.RecipientNotFound - Exchange
May 1, 2010 · To resolve this problem, create a remote mailbox in the on-premises environment and then wait for or force directory synchronization to occur. To do this, follow these steps: Create an on …
FIX: 550 5.1.10 RESOLVER.ADR.RecipientNotFound in Office 365 …
May 12, 2025 · How to fix "NDR error 550 5.1.10 RESOLVER.ADR.RecipientNotFound" in Office365 Exchange Online. Step 1. Verify that the recipient's email address exist on the on-premises/external …
Remote Server returned '550 5.1.10 RESOLVER.ADR.RecipientNotFound ...
May 31, 2023 · Has the message been received when communicating with a particular email address or all domains? This will help you identify the cause of the issue and clearly indicate if it’s a problem …
Fix Email Delivery Issues for Error Code 550 5.1.10 in Exchange Server
Jul 7, 2025 · Learn the causes behind "RESOLVER.ADR.RecipientNotFound" and follow step-by-step solutions to fix email delivery issues in hybrid Exchange environments.
Remote Server returned '550 5.1.10 RESOLVER.ADR.RecipientNotFound ...
Although the Recipient Filter agent is available on Mailbox servers, you shouldn't configure it. When recipient filtering on a Mailbox server detects one invalid or blocked recipient in a message that …
'550 5.1.10 RESOLVER.ADR.RecipientNotFound; Recipient not found by SMTP ...
Jan 29, 2019 · What has me confused is only certain email addresses change color immediately upon entering them in the TO Address field in Outlook which seems to be the indication that the email will …
Solved: Bounce by Destination Server - Cisco Community
May 25, 2021 · The fact that it's inconsistent could be one of two things. 1) You're sending to different mail servers where one mail server is rejecting at a recipient lookup and the other isn't doing this …
The Recipient Email Address Was Not Found Bounce Back Message
Dec 1, 2023 · This article covers non-delivery reports where the Exchange server was unable to resolve the recipient's email address and find the recipient in the system. These bounce messages include …
Recipient not found by SMTP address lookup - Edugeek
Jun 12, 2017 · We have several MFDs with a 'Scan-To-Email' function. This works by sending an email from the users email address to themselves. The MFD's point to the on-prem Exchange 2010. This …
SMTP Email Error 550 5.1.0 – How to Resolve [SOLVED]
Sep 3, 2025 · Easily resolve SMTP Email Error 550 5.1.0 with our step-by-step guide. Discover the causes and solutions to get your emails back on track and successfully delivered.