Add certificate security exception

Bitdefender is intercepting our email connection and injecting a certificate in a way that is not trusted by Thunderbird. It is scanning encrypted connections, and replacing the legitimate server certificate with it's own cert generated on the fly. How do we fix this?


  • Flexx
    Flexx Defender of the month mod

    Kindly contact the bitdefender support by visiting and scroll down to the bottom of the webpage where you can get in touch with support representative either by email, chat or over a call.

    Alternatively, you can also share your query with bitdefender support team by dropping them an email at [email protected]

    The support team will reply back to your query within next 24-48 hours excluding weekends.


    OMEN Laptop 15-en1037AX (Bitdefender Total Security) & Samsung Galaxy S22 Ultra (Bitdefender Mobile Security)

  • Oddly enough I just received this error today when using Microsoft Outlook 365 when trying to connect to yahoo mail. Closed and restarted Outlook and it went away. Microsoft® Outlook® for Microsoft 365 MSO (Version 2304 Build 16.0.16327.20302) 64-bit, and Bitdefender version