Create & Init Project...

app/admin/ep/marthe/dao/mail.go

@@ -0,0 +1,35 @@
+package dao
+
+import (
+	"context"
+	"strings"
+
+	"gopkg.in/gomail.v2"
+)
+
+const (
+	_MailBoxNotFound = "Mailbox not found"
+)
+
+// SendMail asynchronous send mail.
+func (d *Dao) SendMail(message *gomail.Message) {
+	message.SetAddressHeader("From", d.email.Username, "merlin")
+	d.cache.Do(context.TODO(), func(ctx context.Context) {
+		d.SendMailIfFailed(message)
+	})
+}
+
+// SendMailIfFailed Send Mail If Failed
+func (d *Dao) SendMailIfFailed(message *gomail.Message) {
+	if err := d.email.DialAndSend(message); err != nil {
+		if strings.Contains(err.Error(), _MailBoxNotFound) {
+			headerMsg := message.GetHeader("Subject")
+			headerMsg = append(headerMsg, "Mail Send Error:"+err.Error()+",Receiver:")
+			headerMsg = append(headerMsg, message.GetHeader("To")...)
+
+			message.SetHeader("To", d.c.Mail.NoticeOwner...)
+			message.SetHeader("Subject", headerMsg...)
+			d.email.DialAndSend(message)
+		}
+	}
+}