---
title: "How to send an Email with Arduino and Ethernet Shield (W5100)"
url: "https://maker.wiznet.io/mason/projects/how-to-send-an-email-with-arduino-and-ethernet-shield-w5100/"
markdown_url: "https://maker.wiznet.io/mason/projects/how-to-send-an-email-with-arduino-and-ethernet-shield-w5100/md"
type: "UCC: User Created Content"
author: "mcselec"
author_url: "https://wiki.mcselec.com/Getting_started_with_Arduino_UNO_R3_and_Ethernet_Shield_%28W5100%29"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "mcselec"
original_url: "https://wiki.mcselec.com/Getting_started_with_Arduino_UNO_R3_and_Ethernet_Shield_%28W5100%29"
published: "2023-03-27"
language: "en"
hardware: ["WIZnet W5100"]
likes: 0
views: 353
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# How to send an Email with Arduino and Ethernet Shield (W5100)

> How to send an Email with Arduino and Ethernet Shield (W5100)

Original author: mcselec (source: https://wiki.mcselec.com/Getting_started_with_Arduino_UNO_R3_and_Ethernet_Shield_%28W5100%29)

## Components

- **WIZnet W5100** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5100))

## Article

Link

http://wiki.mcselec.com/Getting_started_with_Arduino_UNO_R3_and_Ethernet_Shield_(W5100)

Feature

- Email account which supportSMTP Authentication (AUTH LOGIN) on Port 25

- Username and password Base64 encoded (you can use the Easy TCP/IP tool in Bascom-AVR to encode and decode)

- IP address of your smtp server (if you do not know it just open in Windows the DOS command window and ping the server)

- Your sender Email address and the receiver Email address

Hardware / Source code

Hardware is simple so there is no hardware connection.

And Software is perfect. User can send email just modify email account

---

Source: https://maker.wiznet.io/mason/projects/how-to-send-an-email-with-arduino-and-ethernet-shield-w5100/