Email Header does not show Client IP

Dear All,

I have a case where a manager received an email from an anonymous outlook.com email address that contains confidential information, and I am trying to identify the sender client IP for official and legal department use, though the email header does not show the client IP. please advice how to get client IP details.

Hi,

We need to learn more about your concern, so we can determine the best solution or direct you to the correct forum if needed. Can you provide the answer to the following questions?

  • How do you access your emails? Is it through the Outlook desktop app or through the Outlook.com website?
  • Can you tell us how your Outlook is configured? Are you using POP, IMAP or Microsoft Exchange?
  • Are you experiencing the same issue on emails coming from a non Outlook.com domain?

We look forward to hearing from you.

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Please find below answers;

  • How do you access your emails? Is it through the Outlook desktop app or through the Outlook.com website?

Mainly through outlook desktop app and I have checked on Gmail console (we are using Google Aps for Mail hosting).

  • Can you tell us how your Outlook is configured? Are you using POP, IMAP or Microsoft Exchange?

IMAP clients is configured outlook, although when checking on Gmail the headers are not showing the client IP.

  • Are you experiencing the same issue on emails coming from a non Outlook.com domain?

No, I sent an email from different Gmail account and it included the client IP.

Thanks,

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Dears,

I noticed that the "Received: from" part of the header contain an IPV6 IP for the email sent from outlook.com (as below), though other mail servers send it with  IPV4 details. is there a way to identify the IP ?

Received: from DB6P190MB0360.EURP190.PROD.OUTLOOK.COM
([fe80::852e:b64b:8e91:e00f]) by DB6P190MB0360.EURP190.PROD.OUTLOOK.COM
([fe80::852e:b64b:8e91:e00f%13]) with mapi id 15.20.0077.018; Wed, 4 Oct 2017
12:04:04 +0000

Thank you

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Copy the headers into the Message Analyzer at https://testconnectivity.microsoft.com/ and see if it gives any clues.

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Hello, thank you for the reply, 

message analyzer also showing the IPV6 IP as below.

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Excellent. Glad it is showing you what you were looking for.

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Dear Solar-Eclipse,

I already have those from the headers, but the issue I am not able to identify the sender real IP (public IP and location) using the IPV6 IP.

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Last updated February 6, 2020 Views 555 Applies to: