{"id":3076,"date":"2013-12-10T21:10:37","date_gmt":"2013-12-11T05:10:37","guid":{"rendered":""},"modified":"2020-09-11T16:38:42","modified_gmt":"2020-09-11T23:38:42","slug":"3076","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/3076","title":{"rendered":"I get an error message about Diffie-Hellman prime when I try to send an e-mail from LabQuest."},"content":{"rendered":"<div class=\"notice\" style=\"border: 1px solid red; padding: 1em; text-align: center; margin-bottom: 1em;\">\n<h3>This information pertains to LabQuest 2 and LabQuest 3.<\/h3>\n<p>The original LabQuest does not support this functionality.<\/p>\n<\/div>\n<p>When sending e-mail with the LabQuest 2 or LabQuest 3, the e-mail can fail to send with an error code 76. When you look at the details for that code, it will say:<\/p>\n<p>msmtp: TLS handshake failed: The Diffie-Hellman prime sent by the server is not acceptable (not long enough).<br \/>msmtp: could not send mail (account default from \/home\/root\/.msmtprc)<\/p>\n<p>This happens on e-mail servers with weak encryption. The solution is to upgrade your smtp server to use stronger encryption.<\/p>\n<p>You can also use a different e-mail server, such as a free Gmail account:<br \/><a href=\"\/til\/2643\/\">How do I set up LabQuest 2 to email data with a Gmail account?<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>When sending e-mail with the LabQuest 2 or LabQuest 3, the e-mail can fail to send with an error code 76. When you look at&#8230;<\/p>\n","protected":false},"author":31,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[4400,3785,2953,2464,5184],"class_list":["post-3076","post","type-post","status-publish","format-standard","hentry","tag-e-mail","tag-labq2","tag-labquest-2","tag-lq2","tag-smtp"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=3076"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3076\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=3076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=3076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=3076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}