{"id":23059,"date":"2020-09-21T00:00:00","date_gmt":"2020-09-21T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/descontinuacao-das-versoes-1-0-e-1-1-do-tls\/"},"modified":"2026-09-16T01:28:10","modified_gmt":"2026-09-16T01:28:10","slug":"descontinuacao-das-versoes-1-0-e-1-1-do-tls","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/pt\/blog\/product\/descontinuacao-das-versoes-1-0-e-1-1-do-tls\/","title":{"rendered":"Descontinua\u00e7\u00e3o das vers\u00f5es 1.0 e 1.1 do TLS"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Desde o in\u00edcio da Mailgun, fazemos quest\u00e3o de garantir que nossos remetentes enviem seus e-mails com a maior seguran\u00e7a poss\u00edvel. Quando n\u00f3s\u00a0<a href=\"\/?blog_category=tls-connection-control\" target=\"_tabs\" rel=\"noopener noreferrer\"><u>anunciamos o suporte ao TLS em 2014<\/u><\/a>, fizemos isso pensando no cliente, e continuamos fazendo isso agora, \u00e0 medida que descontinuamos as vers\u00f5es 1.0 e 1.1 do TLS em favor da vers\u00e3o 1.2, que \u00e9 mais segura.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dito isso, \u00e9 importante observar que\u00a0<b>em 8 de mar\u00e7o de 2021<\/b>, a Mailgun n\u00e3o permitir\u00e1 mais conex\u00f5es TLS usando as vers\u00f5es desatualizadas 1.0 e 1.1.<\/p>\n\n\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-4147\"><p class=\"h5 m-0\" id=\"toc-title-4147\">\u00cdndice<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#por-que-descontinuar-as-versoes-1-0-e-1-1-do-tls\">Por que descontinuar as vers\u00f5es 1.0 e 1.1 do TLS?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#como-verificar-se-o-seu-ambiente-e-compativel-com-o-tls-1-2\">Como verificar se o seu ambiente \u00e9 compat\u00edvel com o TLS 1.2<\/a><a class=\"scrollme link-body-color\" href=\"#linux\">Linux<\/a><a class=\"scrollme link-body-color\" href=\"#windows\">Windows<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#endpoint-de-teste-da-mailgun\">Endpoint de teste da Mailgun<\/a><\/div><\/div><\/nav>\n\n\n<h2 class=\"wp-block-heading\">Por que descontinuar as vers\u00f5es 1.0 e 1.1 do TLS?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As vers\u00f5es mais antigas do TLS est\u00e3o repletas de vulnerabilidades de seguran\u00e7a. Como tal, esses protocolos s\u00e3o atualizados ao longo do tempo para corrigir essas vulnerabilidades e manter a seguran\u00e7a dos usu\u00e1rios. O TLS 1.0 foi lan\u00e7ado em 1999 e apresentou muitos problemas com heartbleed, POODLE, CRIME, etc. Dito isso, j\u00e1 faz muito tempo que as empresas deveriam deixar de oferecer suporte \u00e0s vers\u00f5es 1.0 e 1.1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando se trata de descontinuar o TLS, muitas outras empresas de tecnologia tamb\u00e9m optaram por aposentar esses protocolos antigos. Em mar\u00e7o de 2020, os quatro principais provedores de navegadores de internet encerraram o suporte \u00e0s vers\u00f5es 1.0 e 1.1 do TLS \u2014 o que foi um grande avan\u00e7o na dire\u00e7\u00e3o certa para uma melhor seguran\u00e7a. Embora a Mailgun n\u00e3o seja a primeira nem a \u00faltima empresa a anunciar a descontinua\u00e7\u00e3o do suporte \u00e0s vers\u00f5es 1.0 e 1.1 do TLS, <b>agora \u00e9 o momento perfeito para verificar e garantir que seu ambiente \u00e9 compat\u00edvel com a vers\u00e3o 1.2<\/b>, para que voc\u00ea n\u00e3o sofra nenhum tempo de inatividade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea j\u00e1 est\u00e1 utilizando o TLS 1.2, \u00f3timo! Fazer esse tipo de atualiza\u00e7\u00e3o de manuten\u00e7\u00e3o \u00e9 imperativo, ent\u00e3o se antecipar economiza o seu tempo no futuro. Se voc\u00ea n\u00e3o tem certeza se o seu ambiente \u00e9 compat\u00edvel com o TLS 1.2, agora \u00e9 um excelente momento para verificar.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 um processo simples, mas nos adiantamos e listamos abaixo como voc\u00ea pode verificar a sua vers\u00e3o do TLS com a Mailgun.<\/p>\n\n\n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_1a927424c9711c2ea29c48ef9b304a63\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Saiba mais sobre os nossos Deliverability Services            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_1a927424c9711c2ea29c48ef9b304a63\">\r\n                Deliverability Services            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">Procurando enviar um alto volume de e-mails? Os nossos especialistas de e-mail podem potencializar o desempenho do seu e-mail. Veja como n\u00f3s ajudamos empresas como Lyft, Shopify e Github a aumentarem as suas taxas de entrega de e-mail para uma m\u00e9dia de 97%.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/www.mailgun.com\/solutions\/email-deliverability-service\/\"  class=\"btn btn-secondary\" >Learn more<\/a><\/div>\r\n    <\/aside>\r\n\r\n\n\n\n<h2 class=\"wp-block-heading\">Como verificar se o seu ambiente \u00e9 compat\u00edvel com o TLS 1.2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As etapas para verificar o suporte ao TLS 1.2 do seu ambiente s\u00e3o bastante simples. Listamos abaixo os detalhes de como verificar nos sistemas Linux e Windows. Se ele for compat\u00edvel com a vers\u00e3o 1.2, n\u00e3o h\u00e1 mais etapas a seguir, pois usaremos essa vers\u00e3o por padr\u00e3o.\u00a0 Caso o seu ambiente\u00a0<b>n\u00e3o seja compat\u00edvel\u00a0<\/b>com o TLS 1.2, voc\u00ea ter\u00e1 um trabalho extra pela frente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Linux<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea estiver executando o seu aplicativo de envio em um servidor Linux, poder\u00e1 usar o utilit\u00e1rio nmap para verificar com quais vers\u00f5es do TLS a sua stack \u00e9 compat\u00edvel. Na sua m\u00e1quina local, execute o seguinte comando, substituindo o<i>\u00a0&#8220;api.mailgun.net&#8221;<\/i>\u00a0pelo seu pr\u00f3prio dom\u00ednio:<\/p>\n\n\n    <div data-content-type=\"longform\" class=\"code-snippet longform-spacings rounded-lg overflow-hidden shadow \" data-count=\"1\">\r\n        <ul class=\"nav nav-buttons code-snippet__tabs longform-except position-relative d-flex gap-2 flex-wrap p-3\" role=\"tablist\">\r\n\r\n                            \r\n                    \r\n                        <li class=\"nav-item\" role=\"presentation\">\r\n                            <button class=\"nav-link active\" data-bs-toggle=\"tab\" data-bs-target=\"#code_0\" type=\"button\" role=\"tab\" aria-controls=\"code_0\" aria-selected=\"true\">\r\n                                PHP                            <\/button>\r\n                        <\/li>\r\n\r\n                    \r\n                            \r\n        <\/ul>\r\n        <div class=\"code-snippet__tab-content tab-content\">\r\n\r\n                            \r\n                    <div class=\"tab-pane show active\" id=\"code_0\" role=\"tabpanel\" aria-labelledby=\"code_0\">\r\n                        <div class=\"code-snippet__code-wrapper\">\r\n                            <div class=\"nav nav-buttons code-snippet__copy-wrapper\">\r\n                                <button type=\"button\" class=\"nav-link code-snippet__copy\" data-clipboard-target=\"#code_0_content\" data-clipboard-label=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-clipboard-success-label=\"Copiado!\" data-clipboard-error-label=\"N\u00e3o foi poss\u00edvel copiar\" data-tooltip=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copiar para a \u00e1rea de transfer\u00eancia\">\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--default\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/file-stack.svg\"><\/svg>\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--success\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/badge-check.svg\"><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                            <pre class=\"w-100 h-100 m-0 line-numbers language-PHP\">\r\n                                <code id=\"code_0_content\" class=\"language-PHP\">\r\n\r\n                                    nmap --script ssl-enum-ciphers -p 443 api.mailgun.net\r\n                                <\/code>\r\n                            <\/pre>\r\n                        <\/div>\r\n                    <\/div>\r\n                                    <\/div>\r\n    <\/div>\r\n\n\n\n<p class=\"wp-block-paragraph\">Aqui est\u00e1 um exemplo de sa\u00edda para o api.mailgun.net:<\/p>\n\n\n    <div data-content-type=\"longform\" class=\"code-snippet longform-spacings rounded-lg overflow-hidden shadow \" data-count=\"1\">\r\n        <ul class=\"nav nav-buttons code-snippet__tabs longform-except position-relative d-flex gap-2 flex-wrap p-3\" role=\"tablist\">\r\n\r\n                            \r\n                    \r\n                        <li class=\"nav-item\" role=\"presentation\">\r\n                            <button class=\"nav-link active\" data-bs-toggle=\"tab\" data-bs-target=\"#code_0\" type=\"button\" role=\"tab\" aria-controls=\"code_0\" aria-selected=\"true\">\r\n                                PHP                            <\/button>\r\n                        <\/li>\r\n\r\n                    \r\n                            \r\n        <\/ul>\r\n        <div class=\"code-snippet__tab-content tab-content\">\r\n\r\n                            \r\n                    <div class=\"tab-pane show active\" id=\"code_0\" role=\"tabpanel\" aria-labelledby=\"code_0\">\r\n                        <div class=\"code-snippet__code-wrapper\">\r\n                            <div class=\"nav nav-buttons code-snippet__copy-wrapper\">\r\n                                <button type=\"button\" class=\"nav-link code-snippet__copy\" data-clipboard-target=\"#code_0_content\" data-clipboard-label=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-clipboard-success-label=\"Copiado!\" data-clipboard-error-label=\"N\u00e3o foi poss\u00edvel copiar\" data-tooltip=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copiar para a \u00e1rea de transfer\u00eancia\">\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--default\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/file-stack.svg\"><\/svg>\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--success\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/badge-check.svg\"><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                            <pre class=\"w-100 h-100 m-0 line-numbers language-PHP\">\r\n                                <code id=\"code_0_content\" class=\"language-PHP\">\r\n\r\n                                    Starting Nmap 7.70 ( https:\/\/nmap.org ) at 2020-09-11 13:39 CDT\r\nNmap scan report for api.mailgun.net (3.220.71.10)\r\nHost is up (0.047s latency).\r\nOther addresses for api.mailgun.net (not scanned): 34.198.11.146 3.93.126.5 52.87.122.201 52.7.64.51 3.226.21.161 52.7.38.97 34.199.221.7\r\nrDNS record for 3.220.71.10: ec2-3-220-71-10.compute-1.amazonaws.com\r\n\r\nPORT\u00a0 \u00a0 STATE SERVICE\r\n443\/tcp open\u00a0 https\r\n| ssl-enum-ciphers:\r\n| \u00a0 TLSv1.0:\r\n| \u00a0 \u00a0 ciphers:\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 compressors:\r\n| \u00a0 \u00a0 \u00a0 NULL\r\n| \u00a0 \u00a0 cipher preference: server\r\n| \u00a0 TLSv1.1:\r\n| \u00a0 \u00a0 ciphers:\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 compressors:\r\n| \u00a0 \u00a0 \u00a0 NULL\r\n| \u00a0 \u00a0 cipher preference: server\r\n| \u00a0 TLSv1.2:\r\n| \u00a0 \u00a0 ciphers:\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_128_GCM_SHA256 (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_128_CBC_SHA256 (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_256_GCM_SHA384 (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_256_CBC_SHA256 (rsa 2048) - A\r\n| \u00a0 \u00a0 \u00a0 TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A\r\n| \u00a0 \u00a0 compressors:\r\n| \u00a0 \u00a0 \u00a0 NULL\r\n| \u00a0 \u00a0 cipher preference: server\r\n|_\u00a0 least strength: A\r\n\r\n                                <\/code>\r\n                            <\/pre>\r\n                        <\/div>\r\n                    <\/div>\r\n                                    <\/div>\r\n    <\/div>\r\n\n\n\n<p class=\"wp-block-paragraph\">Como voc\u00ea pode ver na sa\u00edda acima, o api.mailgun.net \u00e9 compat\u00edvel com o TLSv1.2, ent\u00e3o est\u00e1 tudo pronto. Desde que voc\u00ea obtenha uma sa\u00edda semelhante mostrando o TLSv1.2, voc\u00ea tamb\u00e9m estar\u00e1 pronto!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea n\u00e3o vir a sa\u00edda acima, comece\u00a0<b>atualizando o Apache\/Nginx e o OpenSSL e\/ou atualizando os seus arquivos de configura\u00e7\u00e3o nginx.conf ou Apache<\/b>\u00a0para ativar o TLSv1.2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Windows<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para os usu\u00e1rios do .NET, antes de mais nada, voc\u00ea precisar\u00e1 garantir que seu servidor \u00e9 compat\u00edvel com o TLS 1.2.\u00a0\u00a0<b>Se voc\u00ea estiver executando o Server 2008 ou 2012, o suporte ao TLS 1.2 n\u00e3o estava dispon\u00edvel por padr\u00e3o, ent\u00e3o voc\u00ea precisar\u00e1 garantir que tem as respectivas\u00a0<\/b><a href=\"https:\/\/support.microsoft.com\/en-us\/help\/3140245\/update-to-enable-tls-1-1-and-tls-1-2-as-default-secure-protocols-in-wi\" target=\"_tabs\" rel=\"noopener noreferrer\"><b><u>atualiza\u00e7\u00f5es\u00a0<\/u><\/b><\/a><b>instaladas para que haja o suporte ao TLS 1.2.<\/b>\u00a0Se voc\u00ea estiver executando o Server 2012 R2 ou 2016, o TLS 1.2 j\u00e1 deve estar instalado e ser o padr\u00e3o.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em seguida, recomendamos fortemente que voc\u00ea atualize todos os seus aplicativos para usar o framework .NET 4.6 ou superior, pois eles s\u00e3o compat\u00edveis com o TLS 1.2 e s\u00e3o configurados por padr\u00e3o. Caso contr\u00e1rio, voc\u00ea pode usar as seguintes solu\u00e7\u00f5es alternativas para as vers\u00f5es mais antigas do .NET:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><b>.NET 4.5.<\/b>\u00a0O TLS 1.2 \u00e9 compat\u00edvel, mas n\u00e3o \u00e9 um protocolo padr\u00e3o. O uso do c\u00f3digo a seguir far\u00e1 do TLS 1.2 o padr\u00e3o. Voc\u00ea precisar\u00e1 executar este c\u00f3digo antes de estabelecer uma conex\u00e3o com qualquer recurso seguro:<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><i>System.Net.ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;<\/i><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.<b>\u00a0.NET 4.0.<\/b>\u00a0O TLS 1.2 n\u00e3o \u00e9 compat\u00edvel, mas se voc\u00ea tiver o .NET 4.5 (ou superior) instalado no mesmo sistema, ainda poder\u00e1 optar por usar o TLS 1.2. Como o SecurityProtocolType no .NET 4.0 n\u00e3o tem uma entrada para o TLS1.2, voc\u00ea ter\u00e1 que usar uma representa\u00e7\u00e3o num\u00e9rica desse valor de enum:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><i>ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;<\/i><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ou use o seguinte\u00a0<a href=\"https:\/\/stackoverflow.com\/questions\/4137106\/are-there-net-implementation-of-tls-1-2\/32892997#32892997\" target=\"_tabs\" rel=\"noopener noreferrer\"><u>ajuste de registro<\/u><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.<b>\u00a0.NET 3.5 ou inferior.<\/b>\u00a0Certifique-se de ter as\u00a0<a href=\"https:\/\/support.microsoft.com\/en-us\/help\/3154519\/support-for-tls-system-default-versions-included-in-the-net-framework\" target=\"_tabs\" rel=\"noopener noreferrer\"><u>seguintes atualiza\u00e7\u00f5es<\/u><\/a>, bem como as chaves de registro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Endpoint de teste da Mailgun<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m disso, recentemente adicionamos um endpoint de API de teste que s\u00f3 aceitar\u00e1 solicita\u00e7\u00f5es usando a vers\u00e3o 1.2 do TLS (<a href=\"https:\/\/api-test.mailgun.net\/v3\" target=\"_tabs\" rel=\"noopener noreferrer\">https:\/\/api-test.mailgun.net\/v3<\/a>) para permitir que nossos clientes testem sua configura\u00e7\u00e3o. Se voc\u00ea fez atualiza\u00e7\u00f5es e deseja confirmar que est\u00e1 se conectando com sucesso usando o protocolo correto, fazer\u00a0uma chamada\u00a0de API\u00a0para\u00a0este\u00a0endpoint\u00a0confirmar\u00e1\u00a0a sua\u00a0atualiza\u00e7\u00e3o.\u00a0Caso contr\u00e1rio,\u00a0as chamadas para esse endpoint falhar\u00e3o se um protocolo mais antigo ainda estiver sendo usado pelo seu aplicativo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aten\u00e7\u00e3o: <b>este endpoint est\u00e1 configurado apenas para fins de teste, n\u00e3o ter\u00e1 suporte a cargas normais totais de envio e n\u00e3o \u00e9 espec\u00edfico de uma regi\u00e3o<\/b>. Depois de concluir os testes, voc\u00ea precisar\u00e1 atualizar a sua configura\u00e7\u00e3o para o endpoint anterior que voc\u00ea estava utilizando.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 medida que fazemos essas altera\u00e7\u00f5es e migra\u00e7\u00f5es para vers\u00f5es mais recentes no futuro, lembre-se de que sempre pensamos em voc\u00ea. Com publica\u00e7\u00f5es no blog e lembretes por e-mail, nosso objetivo \u00e9 garantir que nenhum cliente seja pego de surpresa.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Desde o in\u00edcio da Mailgun, fazemos quest\u00e3o de garantir que nossos remetentes enviem seus e-mails com a maior seguran\u00e7a poss\u00edvel, e continuamos a fazer isso agora, \u00e0 medida que descontinuamos as vers\u00f5es 1.0 e 1.1 do TLS em favor da vers\u00e3o 1.2, que \u00e9 mais segura.\u00a0Leia mais&#8230;<\/p>\n","protected":false},"author":29,"featured_media":4555,"menu_order":0,"template":"","meta":{"_acf_changed":true,"footnotes":""},"blog_category":[22],"class_list":["post-23059","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-product"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Descontinua\u00e7\u00e3o das vers\u00f5es 1.0 e 1.1 do TLS - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Desde o in\u00edcio da Mailgun, fazemos quest\u00e3o de garantir que nossos remetentes enviem seus e-mails com a maior seguran\u00e7a poss\u00edvel, e continuamos a fazer isso agora, \u00e0 medida que descontinuamos as vers\u00f5es 1.0 e 1.1 do TLS em favor da vers\u00e3o 1.2, que \u00e9 mais segura.\u00a0Leia mais...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/pt\/blog\/product\/descontinuacao-das-versoes-1-0-e-1-1-do-tls\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Descontinua\u00e7\u00e3o das vers\u00f5es 1.0 e 1.1 do TLS - 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