اتصال به ایمیل‌سرور در برنامه‌های go

go get gopkg.in/gomail.v2

MAIL_HOST=smtp.c1.liara.email
MAIL_PORT=465
MAIL_USER=cranky_galileo_nhh78l
MAIL_PASSWORD=7ae28d03-2e09-4211-8e79-c3a54ae5798e
MAIL_FROM=info@example.com

package main

import (
"fmt"
"log"
"os"
"strconv"
gomail "gopkg.in/mail.v2"
)

func main() {
// Fetch environment variables
host := os.Getenv("MAIL_HOST")

port, err := strconv.Atoi(os.Getenv("MAIL_PORT"))
if err != nil {
      panic(err)
}

user := os.Getenv("MAIL_USER")
password := os.Getenv("MAIL_PASSWORD")
from := os.Getenv("MAIL_FROM")

// Define the email recipient, subject, and body
to := "recipient@example.com"
subject := "Test Email"
body := "This is a test email."

// Set up the email message
msg := gomail.NewMessage()
msg.SetHeader("From", from)
msg.SetHeader("To", to)
msg.SetHeader("Subject", subject)
msg.SetHeader("x-liara-tag", "test-tag")
msg.SetBody("text/plain", body)

// Set up the SMTP client 
dialer := gomail.NewDialer(host, port, user, password)
dialer.SSL = true // force SSL

// Send the email
err = dialer.DialAndSend(msg)
if err != nil {
	log.Fatalf("Failed to send email: %s", err)
} else {
	fmt.Println("Email sent successfully!")
}
}

go get gopkg.in/gomail.v2

MAIL_HOST=smtp.c1.liara.email
MAIL_PORT=587
MAIL_USER=cranky_galileo_nhh78l
MAIL_PASSWORD=7ae28d03-2e09-4211-8e79-c3a54ae5798e
MAIL_FROM=info@example.com

package main

import (
  "fmt"
  "log"
  "os"
  "strconv"

  gomail "gopkg.in/gomail.v2"
)

func main() {
  
  // Get environment variables for SMTP settings
  mailHost := os.Getenv("MAIL_HOST")
  mailPortStr := os.Getenv("MAIL_PORT")
  mailUser := os.Getenv("MAIL_USER")
  mailPassword := os.Getenv("MAIL_PASSWORD")
  mailFrom := os.Getenv("MAIL_FROM")

  // Convert mail port from string to integer
  mailPort, err := strconv.Atoi(mailPortStr)
  if err != nil {
      log.Fatalf("Invalid MAIL_PORT: %v", err)
  }

  // Create a new email message
  m := gomail.NewMessage()
  m.SetHeader("From", mailFrom)
  m.SetHeader("To", "recipient@example.com") // Set recipient email here
  m.SetHeader("Subject", "Test Email from Go with HTML")
  m.SetHeader("x-liara-tag", "test-tag") // Custom header for tagging

  // Set HTML body for the email
  m.SetBody("text/html", `
      <h1>This is a test email</h1>
      <p>Sent from Go using <b>gomail</b> and SMTP with TLS.</p>
  `)

  // Create SMTP dialer with TLS
  d := gomail.NewDialer(mailHost, mailPort, mailUser, mailPassword)

  // Send the email
  if err := d.DialAndSend(m); err != nil {
      log.Fatalf("Failed to send email: %v", err)
  }

  fmt.Println("Test email sent successfully!")
}

MAIL_SERVER_ID=***
MAIL_SERVICE_URL=https://mail-service.liara.ir/api/v1/mails
LIARA_API_TOKEN=***
MAIL_FROM=info@example.com

go get -u github.com/go-resty/resty/v2
go get -u github.com/joho/godotenv

package main

import (
"fmt"
"log"
"os"

"github.com/go-resty/resty/v2"
"github.com/joho/godotenv"
)

// LoadEnv loads environment variables from .env file
func LoadEnv() {
err := godotenv.Load()
if err != nil {
	log.Fatal("Error loading .env file")
}
}

// SendEmail sends an email using Liara Mail Service
func SendEmail(to, subject, text string) {
// Load environment variables
LoadEnv()

mailServerID := os.Getenv("MAIL_SERVER_ID")
mailServiceURL := os.Getenv("MAIL_SERVICE_URL")
mailServiceToken := os.Getenv("LIARA_API_TOKEN")
defaultFromEmail := os.Getenv("MAIL_FROM")

// Define API endpoint
url := fmt.Sprintf("%s/%s/messages", mailServiceURL, mailServerID)

// Create email payload
data := map[string]interface{}{
	"text":       text,
	"subject":    subject,
	"to":         to,
	"from":       defaultFromEmail,
	"attachments": []interface{}{},
}

// Send HTTP request using Resty
client := resty.New()
resp, err := client.R().
	SetHeader("Authorization", "Bearer "+mailServiceToken).
	SetHeader("Content-Type", "application/json").
	SetHeader("x-liara-tag", "golang_email"). // Custom tag
	SetBody(data).
	Post(url)

if err != nil {
	log.Fatalf("Error sending email: %v", err)
}

// Print response
fmt.Println("Response Status:", resp.Status())
fmt.Println("Response Body:", resp.String())
}

func main() {
// Send an email
SendEmail("info@looms.ir", "Hello from Golang", "Testing Liara Mail Service in Golang!")
}