1package mail
 2
 3import (
 4	"crypto/tls"
 5	"os"
 6	"strconv"
 7	"time"
 8
 9	mail "github.com/xhit/go-simple-mail/v2"
10)
11
12func mailClient() (*mail.SMTPClient, error) {
13	var (
14		EMAIL_USER_SECRET = os.Getenv("EMAIL_USER_SECRET")
15		EMAIL_PASSWORD    = os.Getenv("EMAIL_PASSWORD")
16		SMTP_HOST         = os.Getenv("SMTP_HOST")
17		SMTP_PORT         = os.Getenv("SMTP_PORT")
18	)
19	server := mail.NewSMTPClient()
20
21	// SMTP Server
22	server.Host = SMTP_HOST
23	server.Port, _ = strconv.Atoi(SMTP_PORT)
24	server.Username = EMAIL_USER_SECRET
25	server.Password = EMAIL_PASSWORD
26	server.Encryption = mail.EncryptionSTARTTLS
27
28	// Variable to keep alive connection
29	server.KeepAlive = false
30
31	// Timeout for connect to SMTP Server
32	server.ConnectTimeout = 10 * time.Second
33
34	// Timeout for send the data and wait respond
35	server.SendTimeout = 10 * time.Second
36
37	// Set TLSConfig to provide custom TLS configuration. For example,
38	// to skip TLS verification (useful for testing):
39	server.TLSConfig = &tls.Config{InsecureSkipVerify: true}
40
41	// SMTP client
42	smtpClient, err := server.Connect()
43	if err != nil {
44		return nil, err
45	}
46
47	return smtpClient, nil
48}