SendGrid 多语言开发集成攻略：反垃圾邮件技术详解

from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail

message = Mail(
    from_email='sender@example.com',
    to_emails='recipient@example.com',
    subject='Hello from SendGrid',
    html_content='
这是一封通过SendGrid发送的邮件。
'
)
try:
    sg = SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
    response = sg.send(message)
    print(response.status_code)
except Exception as e:
    print(e.message)

import com.sendgrid.*;
import com.sendgrid.helpers.mail.*;

public class Example {
    public static void main(String[] args) throws IOException {
        Email from = new Email("sender@example.com");
        String subject = "Hello from SendGrid";
        Email to = new Email("recipient@example.com");
        Content content = new Content("text/plain", "这是一封通过SendGrid发送的邮件。");
        Mail mail = new Mail(from, subject, to, content);

        SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY"));
        Request request = new Request();
        try {
            request.setMethod(Method.POST);
            request.setEndpoint("mail/send");
            request.setBody(mail.build());
            Response response = sg.api(request);
            System.out.println(response.getStatusCode());
        } catch (IOException ex) {
            throw ex;
        }
    }
}

using SendGrid;
using SendGrid.Helpers.Mail;
using System;
using System.Threading.Tasks;

class Example
{
    static async Task Main()
    {
        var apiKey = Environment.GetEnvironmentVariable("SENDGRID_API_KEY");
        var client = new SendGridClient(apiKey);
        var from = new EmailAddress("sender@example.com", "Example User");
        var subject = "Hello from SendGrid";
        var to = new EmailAddress("recipient@example.com", "Example User");
        var plainTextContent = "这是一封通过SendGrid发送的邮件。";
        var htmlContent = "
这是一封通过SendGrid发送的邮件。
";
        var msg = MailHelper.CreateSingleEmail(from, to, subject, plainTextContent, htmlContent);
        var response = await client.SendEmailAsync(msg);
        Console.WriteLine(response.StatusCode);
    }
}

require 'sendgrid-ruby'
include SendGrid

api_key = ENV['SENDGRID_API_KEY']
sg = SendGrid::API.new(api_key: api_key)
from = Email.new(email: 'sender@example.com')
to = Email.new(email: 'recipient@example.com')
subject = 'Hello from SendGrid'
content = Content.new(type: 'text/plain', value: '这是一封通过SendGrid发送的邮件。')
mail = Mail.new(from, subject, to, content)

begin
    response = sg.client.mail._('send').post(request_body: mail.to_json)
    puts response.status_code
rescue Exception => e
    puts e.message
end