{"id":3183,"date":"2020-05-30T08:56:44","date_gmt":"2020-05-30T03:26:44","guid":{"rendered":"https:\/\/www.24x7serversupport.com\/blog\/?p=3183"},"modified":"2023-01-26T18:02:20","modified_gmt":"2023-01-26T12:32:20","slug":"how-to-issue-multi-domain-certificate-for-hostname-mailserver-using-letsencrypt","status":"publish","type":"post","link":"https:\/\/www.24x7serversupport.com\/blog\/how-to-issue-multi-domain-certificate-for-hostname-mailserver-using-letsencrypt\/","title":{"rendered":"How to issue multi-domain certificate for hostname\/mailserver using LetsEncrypt"},"content":{"rendered":"\n<p>Exim and Dovecot do support multi-IP ssl certificates, but their setup can be a little bit tricky to try and maintain.<\/p>\n\n\n\n<p>With LetsEncrypt, we can setup multi-domain certificates for the hostname, and mail domains, all in one value, to make managing SSL for mail a little simpler.<\/p>\n\n\n\n<p>To do this, we use the letsencrypt.sh script normally, but we manually create the ca.san_config file, loaded with the values we want to use.<\/p>\n\n\n\n<p>With LetsEncrypt 1.0.4+, we can specify all values on the command line, like this:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cd \/usr\/local\/directadmin\/scripts\n.\/letsencrypt.sh request `hostname`,mail.domain.com,smtp.domain.com,www.domain.com,domain.com 4096<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Exim and Dovecot do support multi-IP ssl certificates, but their setup can be a little bit tricky to try and maintain. With LetsEncrypt, we can setup multi-domain certificates for the hostname, and mail domains, all in one value, to make managing SSL for mail a little simpler. To do this, we use the letsencrypt.sh script [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3577,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[273],"tags":[],"class_list":["post-3183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-directadmin"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to issue multi-domain certificate for hostname\/mailserver using LetsEncrypt | 24x7serversupport Blog<\/title>\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.24x7serversupport.com\/blog\/how-to-issue-multi-domain-certificate-for-hostname-mailserver-using-letsencrypt\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to issue multi-domain certificate for hostname\/mailserver using LetsEncrypt | 24x7serversupport Blog\" \/>\n<meta property=\"og:description\" content=\"Exim and Dovecot do support multi-IP ssl certificates, but their setup can be a little bit tricky to try and maintain. 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