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Email failing to be sent to my hotmail.com account?

    Question

  • people are complaining they cant send me email. 

    Could not deliver message to the following recipient(s):

    Failed Recipient: rob_wellard@hotmail.com

    Reason: Remote host said: 501 5.5.4 Invalid domain name [CO1NAM03FT028.eop-NAM03.prod.protection.outlook.com]

    Monday, October 30, 2017 12:00 PM

All replies

  • I think this is not an Exchange issue so I would suggest you post your question in a Windows Live forum:

    https://social.microsoft.com/Forums/en-US/home?category=windowslive

    Monday, October 30, 2017 12:19 PM
  • Hi,

    Please check if the senders can send messages to other domains.

    If they can the issue could be on the hotmail side and need to make sure if the hotmail domain has blocked the sender domain.( as Jozef mentioned, please contact hotmail forum for help)

    They can check if their server IP is blacklisted with the MXtoolbox(they need to know the sever IP address and have a test).

    If they cannot, maybe their domain has some issues.

    Hope it helps.


    Regards,

    Jason Chao


    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Tuesday, October 31, 2017 9:03 AM
    Moderator
  • Hi,

    I am currently standing by for further update from you and would like to know how things are going. Please check if the reply helps you, if it helps please help to mark as answer.

    Thanks for your time.

    Regards,

    Jason Chao


    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Thursday, November 9, 2017 2:42 AM
    Moderator