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e-mail from Ziggo on Thunderbird

Thunderbird Criptografia
Mark Heijl replied
Paul Wesselius
Paul Wesselius

Sending an e-mail fails a few times and then the mail is sent. On the right side of my laptop this message pops up: Het certificaat van imap.ziggo.nl komt niet van een vertrouwde bron (The certificate from imap.ziggo.nl is not issued by a reliable source). How can I remedy this situation?

Paul Wesselius (****@home.nl) /Edit: e-mailadres verwijderd i.v.m. privacy.

Sending an e-mail fails a few times and then the mail is sent. On the right side of my laptop this message pops up: Het certificaat van imap.ziggo.nl komt niet van een vertrouwde bron (The certificate from imap.ziggo.nl is not issued by a reliable source). How can I remedy this situation? Paul Wesselius (****@home.nl) /Edit: e-mailadres verwijderd i.v.m. privacy.

Alterado por Fjoerfoks em

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Mark Heijl
Mark Heijl
  • Moderador

Dit kan samenhangen met een antivirusprogramma/firewall. Gebruikt u dit en zo ja, welke? Zie https://support.mozilla.org/en-US/questions/1192349