From da490db6d30b51f78838a5f8fd0f293ffd42d3d3 Mon Sep 17 00:00:00 2001
From: Oswin <Oswin-Wu@outlook.com>
Date: Fri, 26 Jul 2024 17:47:36 +0800
Subject: [PATCH] [fix] fix send email error using outlook smtp

---
 common/email-outlook-auth.go | 32 ++++++++++++++++++++++++++++++++
 common/email.go              |  3 +++
 2 files changed, 35 insertions(+)
 create mode 100644 common/email-outlook-auth.go

diff --git a/common/email-outlook-auth.go b/common/email-outlook-auth.go
new file mode 100644
index 0000000..723a10b
--- /dev/null
+++ b/common/email-outlook-auth.go
@@ -0,0 +1,32 @@
+package common
+
+import (
+	"errors"
+	"net/smtp"
+)
+
+type outlookAuth struct {
+	username, password string
+}
+
+func LoginAuth(username, password string) smtp.Auth {
+	return &outlookAuth{username, password}
+}
+
+func (a *outlookAuth) Start(_ *smtp.ServerInfo) (string, []byte, error) {
+	return "LOGIN", []byte{}, nil
+}
+
+func (a *outlookAuth) Next(fromServer []byte, more bool) ([]byte, error) {
+	if more {
+		switch string(fromServer) {
+		case "Username:":
+			return []byte(a.username), nil
+		case "Password:":
+			return []byte(a.password), nil
+		default:
+			return nil, errors.New("unknown fromServer")
+		}
+	}
+	return nil, nil
+}
diff --git a/common/email.go b/common/email.go
index 13345d8..62c9048 100644
--- a/common/email.go
+++ b/common/email.go
@@ -62,6 +62,9 @@ func SendEmail(subject string, receiver string, content string) error {
 		if err != nil {
 			return err
 		}
+	} else if strings.HasSuffix(SMTPAccount, "outlook.com") {
+		auth = LoginAuth(SMTPAccount, SMTPToken)
+		err = smtp.SendMail(addr, auth, SMTPAccount, to, mail)
 	} else {
 		err = smtp.SendMail(addr, auth, SMTPAccount, to, mail)
 	}