More flexibile email system.

main.go

@@ -20,7 +20,8 @@ import (
 )
 
 type Config struct {
-	MailHost, Username, Password string
+	MailHost, Username, Password, From string
+	Recipients []string
 	MailPort int
 	Len int64
 }
@@ -52,6 +53,9 @@ func getConf() Config {
 	if _, err := toml.DecodeFile(confFile, &conf); err != nil {
 		log.Fatal("Error reading config file: ", err)
 	}
+	if conf.From == "" {
+		conf.From = conf.Username + "@" + conf.MailHost
+	}
 	of, err := os.Create(path.Join(confDir, "c.R"))
 	if err != nil {
 		log.Fatal("Error creating R source file: ", err)
@@ -126,17 +130,19 @@ func fetch() {
 		log.Fatal("Error opening Rplots.pdf: ", err)
 	}
 	defer f.Close()
-	email := mailyak.New(fmt.Sprintf("%s:%d", conf.MailHost, conf.MailPort),
-		smtp.PlainAuth("", conf.Username, conf.Password, conf.MailHost))
-	email.To("gmp@wow.st")
-	email.From("covid@wow.st")
-	msg := "Covid dashboard update for " + time.Now().Format("Monday, January 2 2006")
-	email.Subject(msg)
-	email.Plain().Set(msg)
-	email.Attach("dashboard.pdf", f)
-	err = email.Send()
-	if err != nil {
-		log.Print("Error sending email: ", err)
+	for _, r := range conf.Recipients {
+		email := mailyak.New(fmt.Sprintf("%s:%d", conf.MailHost, conf.MailPort),
+			smtp.PlainAuth("", conf.Username, conf.Password, conf.MailHost))
+		email.To(r)
+		email.From(conf.From)
+		msg := "Covid dashboard update for " + time.Now().Format("Monday, January 2 2006")
+		email.Subject(msg)
+		email.Plain().Set(msg)
+		email.Attach("dashboard.pdf", f)
+		err = email.Send()
+		if err != nil {
+			log.Print("Error sending email: ", err)
+		}
 	}
 }