How to Send Emails Using Sendrealm SMTP Server

Introduction

When it comes to sending emails, using a dedicated SMTP server like Sendrealm ensures reliable delivery and improved security. In this guide, we'll explain how to use Sendrealm SMTP server to send emails.

Step 1: Understanding Sendrealm SMTP Credentials

To send emails via Sendrealm SMTP server, you'll need the following credentials:

• Host: smtp.sendrealm.com
• Port: 587 or 465
• Username: smtp
• Password: {API_KEY} (Replace with your actual API key generated from the Sendrealm dashboard)

Step 2: Choosing the Right Port

Sendrealm offers two ports for sending emails:

1. Port 587 (TLS)

   • TLS (Transport Layer Security) is a cryptographic protocol that provides secure communication over a computer network. When you use port 587 with TLS, the email communication starts in plaintext but is encrypted using STARTTLS. This makes it the preferred choice for sending emails securely.

   • Why Choose Port 587? Port 587 is the default port for email submission and is recommended for most users. It supports modern encryption protocols and ensures secure delivery.

2. Port 465 (SSL)

   • SSL (Secure Sockets Layer) is another protocol for establishing encrypted links. When you use port 465, the connection is encrypted from the start.

   • Why Choose Port 465? Port 465 is a good option if your application or email client requires SSL.