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"=" Character added in end of .txt file attachments in Exchange 2003 Received E-Mails RRS feed

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    Hi,

     

    We have problem for receiving emails attachments with .txt files, and in all .txt attachments in end of the line “=” character is added.

     

    Example of .txt attachment.

    Test

    Test

    Test = (“=” character is added)

     

    I have noticed this problem due to “Content-Transfer-Encoding quoted-printable”

     

    http://techhelp.santovec.us/decode.htm

     

    ==============================================

    Content-Type: text/plain; name="test.txt"

    Content-Disposition: attachment; filename="test.txt"

    Content-Transfer-Encoding: quoted-printable

    ==============================================

    We are using Exchange server 2003 with SP2. May I know how this can be resolve.

    Sender side they are using Lotus Notes.

     

    Thanks

    Saturday, January 21, 2012 3:14 PM

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    Not sure what you can do from Excange side, but can't you ask other end to change the encoding to something else other than quoted-printable?
    Sukh
    Sunday, January 22, 2012 1:25 AM
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    Hi,

     

    The same e-mail received by other Organization doesn’t have this problem.

    is there any option to control in exchange server 2003 server (receiving end) to decode this.

     

    Sunday, January 22, 2012 2:47 AM
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    As far as I know you can do with the sending, not sure about the receiving.
    Sukh
    Sunday, January 22, 2012 2:56 AM
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    On Sun, 22 Jan 2012 02:47:58 +0000, rvsmuthu wrote:
     
    >The same e-mail received by other Organization doesn?t have this problem.
    >
    >is there any option to control in exchange server 2003 server (receiving end) to decode this.
     
    Why not use software that understands how to deal correctly with MIME?
    I'm guessing you're reading the message body without regard to its
    encoding scheme.
     
    ---
    Rich Matheisen
    MCSE+I, Exchange MVP
     
    --- Rich Matheisen MCSE+I, Exchange MVP
    Sunday, January 22, 2012 3:22 AM
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    Hi Rich,

    Can you please explain more about the software that deal correctly with MIME for exchange 2003.

    My problem is for receiving emails attachments with .txt files, and in all .txt attachments in end of the line “=” character is added.

     

    Example of .txt attachment.

    Test

    Test

    Test = (“=” character is added)

     

    I have noticed this problem due to “Content-Transfer-Encoding quoted-printable”

     

    Thanks

    Sunday, January 22, 2012 4:35 AM
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    On Sun, 22 Jan 2012 04:35:06 +0000, rvsmuthu wrote:
     
    >Can you please explain more about the software that deal correctly with MIME for exchange 2003.
     
    MIME is a set of RFCs that define how content can be encoded for
    transmission. Exchange 2003 usually isn't the problem, the client
    software is.
     
    >My problem is for receiving emails attachments with .txt files, and in all .txt attachments in end of the line ?=? character is added.
    >
    >
    >
    >Example of .txt attachment.
    >
    >Test
    >
    >Test
    >
    >Test = (?=? character is added)
    >
    >
    >
    >I have noticed this problem due to ?Content-Transfer-Encoding quoted-printable?
     
    Whatever software you're using to read the message isn't handling the
    encoding properly. Either that or you have some Anti-Virus or
    Anti-Spam filter that's not reconstructing the message and its
    attachment correctly.
     
    ---
    Rich Matheisen
    MCSE+I, Exchange MVP
     
    --- Rich Matheisen MCSE+I, Exchange MVP
    Sunday, January 22, 2012 5:20 PM
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    Hello,

     

    Does this issue occur when receiving the emails with .txt attachment properly from an internal user?

     

    Check if you have any firewall or mail-scan software on the Exchange Server.

     

    Thanks,

    Simon Wu

    Exchange Forum Support

     

    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

     

    Tuesday, January 24, 2012 7:06 AM
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    Hi Simon,

    No issue for internal mails attachements.

    The issue is only from external domain which is send by Lotus Notes.

    Sender side confimed they are using "Content-Transfer-Encoding-Base -64 " for all attchments but when we received its show as "Content-Transfer-Encoding-quoted-printable".

    Do we need to check anything from exchange server 2003 side.

    we are using Mcafee GroupShiled for mail scanning.

    ==================================================
    --=_mixed 002A23C54825798A_=
    Content-Type: text/plain; name="test.txt"
    Content-Disposition: attachment; filename="test.txt"
    Content-Transfer-Encoding: quoted-printable
    ==================================================

    Tuesday, January 24, 2012 10:39 AM
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    To make sure what encoding method sender is using enable arhivesink and capture a precat copy of the problem message

    How to install and use the Archive Sink utility in Exchange Server 2003 

    http://support.microsoft.com/kb/871110

    Also open the pre cat copy of problem eml message from d:\ArchiveSink\Smtp Messages in notepad and paste the entire message on the thread.



     

    Wednesday, January 25, 2012 5:05 AM
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    Hello,

     

    Is there any update on this issue?

     

    Thanks,

    Simon Wu

    Exchange Forum Support

     

    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

    Monday, January 30, 2012 2:32 AM
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    Dear Simon,

     

    Thanks for your reply. I have tested .txt attachment between notes servers to diferent exchange 2003 domain servers mailbox but got same results.

     

    It seems exchange 2003 couldn’t handle quoted-printable encoding formats.

     

    You can refer following link.

    ====================================================================================================

    

    http://techhelp.santovec.us/decode.htm

     

    If the recipient's mail or news program can't handle quoted-printable (many older ones can't), the message will look peculiar with all the equal signs and hexadecimal encoding, but it is still largely readable.


    ====================================================================================================

    Monday, January 30, 2012 2:42 PM
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    In mixed mode, Exchange Server 2003 encodes as quoted-printable or 7-bit (TNEF format) when sending between two servers/recipients in different routing groups and to the Internet.

    If it can send, not sure why it can't receive. - http://support.microsoft.com/kb/836555

    Sukh
    Monday, January 30, 2012 2:50 PM
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    Hi Sukh,

    I have already seen this KB. it seems problem with exchange 2003 side.

    Tuesday, January 31, 2012 12:56 PM
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    Hi, did this get resolved?  How?  Thanks

    Monday, July 9, 2012 11:57 AM