recv uses pop3 if provided

cmd/recv/main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"net/mail"
 	"strings"
 	"time"
 
@@ -15,6 +16,7 @@ func main() {
 	emailer := contact.NewEmailer()
 	as := args.NewArgSet()
 	as.Append(args.STRING, "imap", "imap server:port", "imap.gmail.com:993")
+	as.Append(args.STRING, "pop3", "pop3 server:port", "")
 	as.Append(args.INT, "n", "limit (<1 for inf)", 10)
 	as.Append(args.STRING, "u", "username", emailer.From)
 	as.Append(args.STRING, "p", "password", emailer.Password)
@@ -23,11 +25,19 @@ func main() {
 	}
 
 	emailer.IMAP = as.Get("imap").GetString()
+	emailer.POP3 = as.Get("pop3").GetString()
 	emailer.Limit = as.Get("n").GetInt()
 	emailer.From = as.GetString("u")
 	emailer.Password = as.GetString("p")
 
-	msgs, err := emailer.Read()
+	var msgs <-chan *mail.Message
+	var err error
+	if emailer.POP3 != "" {
+		msgs, err = emailer.ReadPOP3()
+	} else {
+		msgs, err = emailer.Read()
+	}
+
 	if err != nil {
 		panic(err)
 	}