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Outlook 2013, Exchange 2013 IMCEAINVALID error RRS feed

  • Question

  • Hello,

    I have a couple of users who experience very strange bounceback messages. It happens roughly every 1 out 5 e-mails sent. However never to the same e-mail address twice.

    The error if you will is pasted below. 

    Delivery Report for  paul.main@clearview-communications.com ‎(IMCEAINVALID-paul+2Emain+40maskededed-communications+2Ecom@HIDDEN.co.uk)‎

    This right here seems to be what's going wrong. It's appending an extra domain to the already completed e-mail address. However I have no idea why. Upon a 2nd resend the e-mails always go through.

    Pending
    14/06/2017 15:30 server-fqdn
    The message has been transferred from server-fqdn to server-fqdn

    server-fqdn


    14/06/2017 15:30 server-fqdn
    The email address you specified in your message is invalid.

    [{LRT=};{LED=550 5.1.15 RESOLVER.ADR.InvalidInSmtp; encapsulated INVALID address inside an SMTP address (IMCEAINVALID-)};{FQDN=};{IP=}]

    This 

     

    From: Microsoft OutlookSent: 27 April 2017 15:23To: *e-mail here*
    Subject: Undeliverable: (PS:1:MT:****) Emailing only letter

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    Thank you very much for looking.

    Friday, June 16, 2017 12:22 PM

All replies

  • Try clearing the name cache for the recipient or try selecting the recipient via clicking the TO: button and select one from GAL.
    • Proposed as answer by Steve Fan Monday, July 3, 2017 9:46 AM
    Monday, June 19, 2017 9:46 AM
  • Hi,

    >>It happens roughly every 1 out 5 e-mails sent. However never to the same e-mail address twice.

    Does this happen when sending to external or internal addresses?

    Is this issue replicable when testing within in OWA and Outlook online Exchange mode?

    In addition, have you tried clearing the name cache as Gavin suggested? Does it make any difference?

    Regards,

    Steve Fan


    Please remember to mark the replies as answers if they helped.

    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    • Proposed as answer by Steve Fan Monday, July 3, 2017 9:47 AM
    Thursday, June 22, 2017 9:29 AM