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security certificate not found no messages being sent or recieved

  • 1 reply
  • 1 has this problem
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  • Last reply by christ1

BobSpencer
BobSpencer
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When trying to send or receive messages I get an error message to the effect

Could not verify this certificate because the issuer is unknown. Issued to Common name mail.btinternet.com etc.

Issued by Common name avast! Web/Mail Shield Root Organisation avast! Web/Mail Shield


Any ideas? I can access my emails via webmail

When trying to send or receive messages I get an error message to the effect Could not verify this certificate because the issuer is unknown. Issued to Common name mail.btinternet.com etc. Issued by Common name avast! Web/Mail Shield Root Organisation avast! Web/Mail Shield Any ideas? I can access my emails via webmail

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christ1
christ1
  • Top 25 Contributor
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https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER#w_avast