{"id":8916,"date":"2019-09-21T13:29:54","date_gmt":"2019-09-21T13:29:54","guid":{"rendered":"https:\/\/kb.mailfence.com\/kb\/o-que-e-uma-assinatura-digital-e-como-ela-funciona\/"},"modified":"2025-02-03T16:55:00","modified_gmt":"2025-02-03T16:55:00","slug":"o-que-e-uma-assinatura-digital-e-como-ela-funciona","status":"publish","type":"ht_kb","link":"https:\/\/kb.mailfence.com\/pt\/kb\/o-que-e-uma-assinatura-digital-e-como-ela-funciona\/","title":{"rendered":"O que \u00e9 uma assinatura digital e como ela funciona?"},"content":{"rendered":"\n<p>Uma assinatura digital \u00e9 uma forma de assinatura eletr\u00f4nica que pode ser usada para autenticar a pessoa que assinou um documento.\nEla prova que o remetente \u00e9 realmente quem ele diz ser. <\/p>\n\n\n\n<p>Neste guia, abordaremos como configurar uma assinatura digital em sua conta do Mailfence. Voc\u00ea quer saber mais sobre assinaturas digitais? Confira <a href=\"https:\/\/blog.mailfence.com\/pt\/emails-assinados-digitalmente\/\" target=\"_blank\" rel=\"noreferrer noopener\">nossa postagem no blog aqui<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-configuracao-de-uma-assinatura-digital-no-mailfence\">Configura\u00e7\u00e3o de uma assinatura digital no Mailfence<\/h2>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-alert\">Esse procedimento exige que voc\u00ea tenha criado anteriormente seu pr\u00f3prio par de chaves OpenPGP.\nMais informa\u00e7\u00f5es sobre como fazer isso <a href=\"https:\/\/kb.mailfence.com\/pt\/kb\/how-to-generate-your-openpgp-key-pair-or-a-personal-key\/\" target=\"_blank\" rel=\"noreferrer noopener\">aqui<\/a>. <\/p>\n\n\n\n<p>1. V\u00e1 para <strong>Mensagens<\/strong> e clique em <strong>Novo<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"399\" height=\"101\" src=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1.jpeg\" alt=\"enviar um e-mail assinado digitalmente pelo openpgp\" class=\"wp-image-3045\" srcset=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1.jpeg 399w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1-300x76.jpeg 300w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1-50x13.jpeg 50w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1-60x15.jpeg 60w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-1-100x25.jpeg 100w\" sizes=\"auto, (max-width: 399px) 100vw, 399px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Clique na lista suspensa no campo <strong>From (De<\/strong> ) para selecionar o endere\u00e7o do remetente, para o qual voc\u00ea gostaria de usar o par de chaves associado para assinar esse e-mail.<\/li>\n<\/ul>\n\n\n\n<p>2. Depois de redigir sua mensagem, clique no <strong>menu suspenso<\/strong> sobre o bot\u00e3o <strong>Enviar<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"379\" height=\"139\" src=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2.jpeg\" alt=\"enviar um e-mail assinado digitalmente pelo openpgp\" class=\"wp-image-3043\" srcset=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2.jpeg 379w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2-300x110.jpeg 300w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2-50x18.jpeg 50w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2-60x22.jpeg 60w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-2-100x37.jpeg 100w\" sizes=\"auto, (max-width: 379px) 100vw, 379px\" \/><\/figure>\n<\/div>\n\n\n<p>3. Clique em <strong>Sign &amp; Send (Assinar e enviar<\/strong>).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caso voc\u00ea tenha v\u00e1rios pares de chaves OpenPGP\/chaves pessoais correspondentes ao endere\u00e7o do remetente, ser\u00e1 solicitado que voc\u00ea escolha aquele que deseja usar para assinar sua mensagem.<\/li>\n<\/ul>\n\n\n\n<p>4. Digite o par de chaves OpenPGP\/frase secreta da chave pessoal e clique em <strong>OK<\/strong>. Voc\u00ea enviou um <a href=\"https:\/\/blog.mailfence.com\/pt\/emails-assinados-digitalmente\/\">e-mail assinado com OpenPGP<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"314\" height=\"167\" src=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3.jpeg\" alt=\"enviar um e-mail assinado digitalmente pelo openpgp\" class=\"wp-image-3044\" srcset=\"https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3.jpeg 314w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3-300x160.jpeg 300w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3-50x27.jpeg 50w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3-60x32.jpeg 60w, https:\/\/kb.mailfence.com\/wp-content\/uploads\/2022\/03\/how-to-send-an-openpgp-digitally-signed-email-3-100x53.jpeg 100w\" sizes=\"auto, (max-width: 314px) 100vw, 314px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-info\">O Mailfence n\u00e3o permite a assinatura de e-mails usando pares de chaves OpenPGP\/chaves pessoais revogadas\/expiradas.<\/p>\n\n\n\n<p>O destinat\u00e1rio precisar\u00e1 ter a sua chave p\u00fablica OpenPGP para poder validar a sua assinatura digital. Voc\u00ea pode compartilhar sua chave p\u00fablica OpenPGP <a href=\"https:\/\/kb.mailfence.com\/kb\/how-to-send-your-openpgp-public-key-by-email\/\">por e-mail<\/a>.<\/p>\n\n\n\n<p><strong><em>Voc\u00ea ainda est\u00e1 tendo problemas com assinaturas digitais? Entre em contato com o nosso <a href=\"https:\/\/mailfence.com\/pt\/contato.jsp\">suporte<\/a>. <\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma assinatura digital \u00e9 uma forma de assinatura eletr\u00f4nica que pode ser usada para autenticar a pessoa que assinou um documento. Ela prova que o remetente \u00e9 realmente quem ele diz ser. Neste guia, abordaremos como configurar uma assinatura digital em sua conta do Mailfence. Voc\u00ea quer saber mais sobre&#8230;<\/p>\n","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[1216],"ht-kb-tag":[],"class_list":["post-8916","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-criptografia-e-assinatura-digital-openpgp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O que \u00e9 uma assinatura digital e como ela funciona? - Mailfence Support<\/title>\n<meta name=\"description\" content=\"O uso de uma assinatura digital \u00e9 a melhor maneira de comprovar a autenticidade de um e-mail. 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