Futuristic SMTP INBOUND-only server for home usage.
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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" {
ZangSmtpServer.ConfigureTLS(CrtFile, KeyFile)
ZangSmtpServer.TLSListener = false
ZangSmtpServer.TLSRequired = true
log.Println("Using TLS")
} else {
ZangSmtpServer.TLSListener = false
ZangSmtpServer.TLSRequired = false
log.Println("WARNING: NOT Using TLS")
}
}
func main() {
if err := smtpd.ListenAndServe(ListenAddr, mailHandler, AppName, ServerName, ZangSmtpServer); err != nil {
log.Panicln("Ops. Something went wrong: ", err.Error())
}
}