Installing a Let's Encrypt SSL Certificate for Zimbra Server
https://wiki.zimbra.com/wiki/Installing_a_LetsEncrypt_SSL_Certificate
****First Step is to stop the jetty or nginx service at Zimbra level
# su zimbra
$ zmproxyctl stop
$ zmmailboxdctl stop
$ exit
# git clone https://github.com/letsencrypt/letsencrypt
# cd letsencrypt
# ./letsencrypt-auto certonly --standalone [เมื่อหมดอายุมาทำใหม่ตรงนี้]
# cd /etc/letsencrypt/live/mail.ikasem.com/
# ls -al
# nano chain.pem
*****input under bottom line in file***
-----BEGIN CERTIFICATE-----
Add by copy code from Abov Link
-----END CERTIFICATE-----
This for Reserve may be original Link close or dead
-----BEGIN CERTIFICATE----- MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw 7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69 ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5 JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ -----END CERTIFICATE-----
# mkdir /opt/zimbra/ssl/letsencrypt
# cp /etc/letsencrypt/live/mail.ikasem.com/* /opt/zimbra/ssl/letsencrypt/
# chown zimbra:zimbra /opt/zimbra/ssl/letsencrypt/*
# ls -la /opt/zimbra/ssl/letsencrypt/
# su zimbra
$ cd /opt/zimbra/ssl/letsencrypt/
$ /opt/zimbra/bin/zmcertmgr verifycrt comm privkey.pem cert.pem chain.pem
$ exit
$ cp -a /opt/zimbra/ssl/zimbra /opt/zimbra/ssl/zimbra.$(date "+%Y%m%d")
$ cp /opt/zimbra/ssl/letsencrypt/privkey.pem /opt/zimbra/ssl/zimbra/commercial/commercial.key
$ cd /opt/zimbra/ssl/letsencrypt/
$ /opt/zimbra/bin/zmcertmgr deploycrt comm cert.pem chain.pem
$ zmcontrol restart
$ exit
END
Requires Login