1. trevorcroft's Avatar
    I have an outlook.com email account and an office 365 email account, both stopped working on January 2, 2017 due to this error:

    The SSL certificate provided by server outlook.office365.com for ActiveSync is either invalid or was declined.

    Has anyone else received this error or know how to allow these "invalid" certificates? I have already tried changing account settings to not use SSL and that didn't work, I think due to microsoft not allowing unencrypted connections.


    Microsoft based email accounts invalid ssl certificate error-img_20170104_103347_edit.png

    Posted via CB10
    01-04-17 11:37 AM
  2. Rendergroup's Avatar
    I have this issue in Thunderbird also.

    Posted via CB10
    01-04-17 02:44 PM
  3. trevorcroft's Avatar
    I deleted the accounts from my blackberry and re-created them and its working now.

    Maybe it cached their old certificate and didnt update in?

    Posted via CB10
    01-05-17 02:34 AM

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