zangtumb/zangtumb.go

70 lines
1.5 KiB
Go

package main
import (
"log"
"os"
"zangtumb/smtpd"
)
var ZangSmtpServer *smtpd.Server
var KeyFile, CrtFile, ServerName, ListenAddr string
const AppName = "ZangTumb"
func init() {
ZangSmtpServer = new(smtpd.Server)
KeyFile = os.Getenv("KEYFILE")
log.Println("KeyFile: ", KeyFile)
CrtFile = os.Getenv("CERTFILE")
log.Println("CrtFile: ", CrtFile)
ServerName = os.Getenv("DOMAINNAME")
log.Println("ServerName: ", ServerName)
ListenAddr = os.Getenv("LISTEN")
log.Println("ListenAddr: ", ListenAddr)
ZangSmtpServer.AuthRequired = false
ZangSmtpServer.Hostname = ServerName
ZangSmtpServer.MaxRcpt = SmtpBackend.MaxRecipients
if ZangSmtpServer.MaxRcpt == 0 {
ZangSmtpServer.MaxRcpt = 1
log.Println("No recipients, setting MaxRcpt to 1")
} else {
log.Println("MaxRcpt: ", ZangSmtpServer.MaxRcpt)
}
if os.Getenv("USETLS") == "true" {
log.Println("Preparing TLS Keys")
ZMakecert()
ZangSmtpServer.TLSListener = false
ZangSmtpServer.TLSRequired = true
log.Println("Using TLS: ", ZangSmtpServer.TLSRequired)
} else {
ZangSmtpServer.TLSListener = false
ZangSmtpServer.TLSRequired = false
log.Println("WARNING: NOT Using TLS")
}
log.Println("Ready to start the server.")
}
func main() {
log.Println("Starting the server....")
ZangSmtpServer.ConfigureTLS(CrtFile, KeyFile)
defer log.Println("Shutting down the server")
if err := smtpd.ListenAndServe(ListenAddr, mailHandler, handlerRcpt, AppName, ServerName, ZangSmtpServer); err != nil {
log.Panicln("Ops. Something went wrong: ", err.Error())
}
}