Vista secure email problem: Cannot connect to email server when specific digital id is installed

Discussion in 'Windows Vista Security' started by rejohnson, Mar 13, 2009.

  1. rejohnson

    rejohnson Guest

    I imported a personal digital certificate from an XP machine running
    Outlook Express onto my Vista Home Premium (32 bit) laptop. With the
    certificate installed, Windows Mail instantly (either when mail is
    started, or when send/receive is clicked) gives the error message below:

    "Your server has unexpectedly terminated the connection. Possible
    causes for this include server problems, network problems, or a long
    period of inactivity. Account: 'attmail', Server: 'pop.att.yahoo.com',
    Protocol: POP3, Port: 995, Secure email: Yes, Error Number: 0x800CCC0F"

    I have checked all settings and they all appear to be the same between
    both machines. Both are running IE 7 as well. Both also have the same
    version of AVG, although I later disabled AVG on the Vista machine, just
    to be sure it had nothing to do wth the problem.

    Additional interesting info: 1. I have several digital certificates
    installed. Only this one is giving me a problem, and only on Windows
    Mail on the Vista machine, not on the XP machine with Outlook Express.
    2. When I remove the certificate, I can again instantly connect and send
    or receive mail (but I NEED the certificate for secure email exchange!,
    so I can't just remove it forever!}. 3. The certificate actually works
    for decryption - When I remove the cert, I can receive an encrypted
    email, then I can re-import the cert and decrypt the email.

    All of this leads me to believe that somehow Vista requires something
    different with a digital cert than XP does, such that some security
    feauture in Vista will not even connect to the server if there is
    something it doesn't li ke, even though the cert seems to work fine for
    decrypting. I don't understand why just having a certificate installed,
    not even using signing or encryption, that Vista should not connect to
    the server. I is very difficult to find any information on what Vista
    might be doing with the certificate when attempting to connect to a mail
    server.

    Please help! Thanks.
     
    rejohnson, Mar 13, 2009
    #1
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  2. rejohnson

    Sam Hobbs Guest

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  3. rejohnson

    rejohnson Guest

    I spent several hours going over all the documents at the link yo
    provided, but none helped. thanks for providing that though.

    I see that others are also having problems with digital certificate
    installed and using Windows Mail or Live Mail. I cannot understan
    whey the same certificate that works with Outlook Express on XP will no
    work with Windows Mail on Vista, but there must be a reason. One othe
    thing is that the certificate that won't work with Vista/Mail is fro
    Thawte (but it does work with OE/XP), and the other certificates tha
    work with both Vista/Mail and OE/XP are from other sources. I have n
    idea if that has anything to do with the problem
     
    rejohnson, Mar 14, 2009
    #3
  4. rejohnson

    lilbear67 Guest

    lilbear67, Mar 14, 2009
    #4
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