{"id":2829,"date":"2017-09-28T00:02:52","date_gmt":"2017-09-28T00:02:52","guid":{"rendered":"http:\/\/pariswells.com\/blog\/?p=2829"},"modified":"2017-09-28T00:02:52","modified_gmt":"2017-09-28T00:02:52","slug":"small-business-server-4-7-0-smtp-403-4-7-0-tls-handshake-failed-email-delay","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/fixes\/small-business-server-4-7-0-smtp-403-4-7-0-tls-handshake-failed-email-delay","title":{"rendered":"Small Business Server – 4.7.0 SMTP; 403 4.7.0 TLS handshake failed. – Email Delay"},"content":{"rendered":"

Recently had a client delay receiving emails<\/p>

A check of SMTP logs showed<\/p>

4.7.0 SMTP; 403 4.7.0 TLS handshake failed<\/strong><\/p>

To investigate :\u00a0<\/p>

Open Exchange Management Console<\/p>

Go to Server Configuration<\/strong> and check Exchange Certificates check if there are any expired with SMTP next to them<\/p>

Renew Self Signed Certificates\u00a0 :<\/p>

  1. type\u00a0Get-ExchangeCertificate<\/em> to list the installed certificates<\/p><\/li>

  2. Match the certificate to the expired certificate (using subject the name and services) from the Console then copy the associated thumbprint<\/p><\/li>

  3. Type\u00a0Get-ExchangeCertificate \u2013Thumbprint INSERTTHUMBPRINTHERE | New-ExchangeCertificate<\/em><\/p><\/li><\/ol>

    Renew Third Party Cert<\/strong><\/p>

    1. Go through the process of Renewal with your Third Party SSL Authority<\/li><\/ol>

      To disable Receiving email via TLS<\/p>

      Go to Hub Transport<\/strong> under\u00a0Server Configuration<\/strong>, then Untick Transport Layer Security (TLS) for each Receiver Connector<\/p>","protected":false},"excerpt":{"rendered":"

      Recently had a client delay receiving emailsA check of SMTP logs showed 4.7.0 SMTP; 403 4.7.0 TLS handshake failedTo investigate :\u00a0Open Exchange Management ConsoleGo to Server Configuration […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[2123,2125,618,520,2124,2127,2126],"class_list":["post-2829","post","type-post","status-publish","format-standard","hentry","category-fixes","tag-4-7-0-smtp-403-4-7-0-tls-handshake-failed","tag-delay","tag-exchange","tag-exchange-2010","tag-sbs","tag-small-business-server","tag-tls-handshake-failed"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t