package main type Config struct { SMTPPort int POP3Port int Servers []Server } type Server struct { // Domain is the second component of a mail address: . Domain string // Hostname is the name of the MX server that is running. Hostname string TLSKeyPath string TLSCertPath string // Password for the POP3 mailbox user, mailbox@domain.com. MailboxPassword string // Blacklisted addresses that should not accept mail. BlacklistedAddresses []string }