1 authority letsencrypt {
2         api url "https://acme-v02.api.letsencrypt.org/directory"
3         account key "/etc/ssl/private/my-acme.key"
4 }
5 
6 domain mail.srcbeat.com {
7         alternative names { imap.srcbeat.com smtp.srcbeat.com }
8         domain key "/etc/ssl/private/mail.srcbeat.com.key"
9         domain certificate "/etc/ssl/mail.srcbeat.com.crt"
10         domain full chain certificate "mail.srcbeat.com.fullchain.pem"
11         sign with letsencrypt
12 }