// Start initiates a new SMTP server given an Enqueuer and a configuration.
func Start(mq mailbox.Enqueuer, cfg jamon.Group) error {
if !cfg.Has("listen") || !cfg.Has("host") {
return ErrMinConfig
}
ln, err := net.Listen("tcp", cfg.Get("listen"))
if err != nil {
return err
}
srv := server{Enqueuer: mq, config: cfg}
srv.spec = commandSpec{
"HELO": cmdHELO,
"EHLO": cmdEHLO,
"MAIL": cmdMAIL,
"RCPT": cmdRCPT,
"DATA": cmdDATA,
"RSET": cmdRSET,
"NOOP": cmdNOOP,
"VRFY": cmdVRFY,
"QUIT": cmdQUIT,
}
for {
conn, err := ln.Accept()
if err != nil {
log.Printf("Error accepting an incoming connection: %s\r\n", err)
continue
}
go srv.createTransaction(conn)
}
}
