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  • Status: Solved
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office 365 , exchange 365

hi all,

i have a connector TLS to partner , we're both hosted by 0365 , veirfication on connector was passed on sending email to partner. but the test  on outlook failed with this error state
your message couldn't be delivered because there is a partner connector configured that matched the message's recipient domain. The connector had either the RestrictDomainsToIPAddresses or RestrictDomainsToCertificate set.BL2FFO11OLC003.mail.protection.outlook.com gave this error:
TenantInboundAttribution; There is a partner connector configured that matched the message's recipient domain. The connector had either the RestrictDomainsToIPAddresses or RestrictDomainsToCertificate set

 >>>Connector from 0365 to Partner : Always use Transport Layer Security ‎(TLS)‎ and connect only if the recipient’s email server certificate is issued by a trusted certificate authority ‎(CA)‎, and the subject name matches this domain: vdnet-com.mail.protection.outlook.com

>>>>Connector from Partner to 0365:Security restrictions
Reject messages if they aren’t encrypted using Transport Layer Security ‎(TLS)‎, or the subject name on the certificate that the partner uses to authenticate with Office 365 does‎'t match this domain name: partner-com.mail.protection.outlook.com
MY domain name vdnet-com.onmicrosoft.com

Many Thanks in advance
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1 Solution
 
AmitIT ArchitectCommented:
Can you send test email via exrca.com?
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Vasil Michev (MVP)Commented:
Well you cannot really have a certificate matching outlook.com or any .onmicrosoft.com domain, so adjust that part in the connector setup.
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Jian An LimCommented:
all email send from office 365 regardless of which tenant will use the certificate of mail.protection.outlook.com

the details as in this article
https://technet.microsoft.com/en-us/library/mt163898.aspx?f=255&MSPPError=-2147217396
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Jian An LimCommented:
information about the certificate provided
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