Allow safe debugging of mail transfer by adding debug_mail_transfer build flag

mail_transfer_debug.go

@@ -0,0 +1,23 @@
+// +build debug_mail_transfer
+// Copyright (c) 2023 Julian Müller (ChaoticByte)
+
+package main
+
+import (
+	"fmt"
+	"net/smtp"
+)
+
+func sendMails(smtpConf SmtpSettings, auth smtp.Auth, to string, data [][]byte) error {
+	logger.warn("Mail Transfer Debugging is active. Not connecting.")
+	logger.info("MAIL TRANSFER: \n\n")
+	for _, d := range data {
+		fmt.Println("MAIL FROM:" + smtpConf.From)
+		fmt.Println("RCPT TO:" + to)
+		fmt.Println("DATA")
+		fmt.Println(string(d))
+		fmt.Println(".")
+	}
+	fmt.Print("\n\n")
+	return nil
+}