Outlook 2003 SP2 - Invalid Certificate

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

A colleague has recently installed SP2 but now gets a message 'Invalid
Certificate' whenever they receive a digitally signed e-mail from me. I've
checked with another colleague who has not yet installed SP2 and they have no
problem with my e-mails.

Any ideas?
 
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