Use Smtp To Send Email

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Use Smtp To Send Email – The mailbox can be used to send email from Outlook using SMTP without affecting the ability to receive email at an email address using the existing IMAP system. In this help article, we show you how to set up the Outlook desktop client to send outbound email from your Outlook account via Inbox. This help article uses Outlook for Mac 2016 to take a screenshot. The exact view may be different for other versions of Outlook.

This will bring up your Outlook account(s). Select the account you want to set up to use Postmark for posting.

Use Smtp To Send Email

Use Smtp To Send Email

For the outgoing server, enter smtp.. Set the port to 587 or 2525 and select Set default gateway and Use SSL to connect if not already selected.

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Click More Options… Get your Token Server API from the Flow Settings page for your Server in Tokens. Change the Authentication field to ‘Username and password’ and paste your API Server Token in the username and password fields. Then click OK to save.

If you need to send your messages over a specific Messages stream, you can specify using the SMTP token, instead of using your server API token. See the SMTP section of the How to Create and Send Via Mailflow guide for help with setup.

Once you’ve configured your external settings, send a test email from the account you’ve set up to use Postmark. The email will be sent via Mailbox using SMTP and available for viewing in your Mailbox Service.

Note: The first time you send an email after changing your settings externally may ask you to re-enter your password. Re-enter your Server API Token for the password and choose the option to save the password so you don’t have to enter it every time you submit.

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If the test email doesn’t complete, check your Postmark Activity to see if there are any SMTP API Errors. To send from Outlook with a Postmark, the email address you are sending to must be added to your Postmark account as a Sender Signature. Learn how to send email using ESP32 using the SMTP Server. We will show you how to send a simple email with HTML or text and how to send attachments like images and files (

We have a similar tutorial for ESP8266 board: ESP8266 NodeMCU Send Email using SMTP Server: HTML, Text and Attachments (Arduino)

And is an internet standard for email transmission. To send email using ESP32, you need to connect it to an SMTP server.

Use Smtp To Send Email

To send email using ESP32, we will use ESP-Mail-Client library. This library allows ESP32 to send and receive emails with or without attachments through SMTP and IMAP servers.

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In this tutorial, we will use SMTP to send emails with and without attachments. For example, we will send one image (.png) and one text file (.txt). Emailed files can be stored in the ESP32 File System (SPIFFS) or a microSD card (not covered in this tutorial).

Before continuing with this tutorial, you need to install the ESP-Mail-Client library. This library is not available for installation through the Arduino IDE Library Manager. Follow the next steps to install the library:

Then if you go to File > Examples > ESP-Mail-Client you will find some examples that you can try. You can also access the examples in the GitHub library here.

If you are using the ESP32 with VS Code + PlatformIO, you should copy them into the platformio.ini file to include in the library.

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We recommend that you create a new email account to send emails to your primary email address. Do not use your primary email account to send emails via the ESP32. If something goes wrong with your code, or if you make too many requests by mistake, you may be suspended or your account may be temporarily disabled.

We’ll use the newly created account to send emails, but you can use any email service provider. The recipient’s email can be your personal email without a problem.

Create a new email account to send emails using ESP32. If you want to use a Gmail account, go to this link to create a new one.

Use Smtp To Send Email

You need to create an application password so that the ESP32 can send emails using your Gmail account. An app password is a 16-digit password that grants a specific app or device access to your Google Account. Learn more about signing in with an app password here.

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You should now have an application password that you will use on your ESP32 code to send emails.

If you’re using a different email provider, see how to create an app password. You should be able to find instructions with a quick google search “your_email_provider + generate app password”.

If you are using another email provider, you need to check your SMTP server settings. You now have everything you need to start sending emails using your ESP32.

The following code sends an email through the SMTP server using HTML or plain text. For demonstration purposes, the ESP32 will send an email once on startup. You will then be able to modify the code and include it in your project.

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You will need to enter your network credentials and set up the sender email, SMTP server details, recipient and message.

This code is adapted from the example provided by the library. An example is a good comment for you to understand what each line of code does. Let’s take a look at the relevant parts that you need or may need to change.

Enter your SMTP server settings. If you’re using a Gmail account to send email, here are the settings:

Use Smtp To Send Email

Set message headers in the following lines in set() — sender’s name, sender’s email, email subject, and recipient’s name and email:

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If you want to send HTML text instead, answer the following lines – you should put your HTML text in the htmlMsg parameter.

Upload the code to the ESP32. Once loaded, open the Serial Monitor at baud rate 115200. Press the ESP32 Reset button.

If you set the option to send the message in HTML text, the message will look like this:

In this section, we will show you how to send attachments in your email sent by ESP32. We’ll show you how to send

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Files with sensor readings from a few hours ago, or to send images taken by the ESP32-CAM.

To send files by email, they must be saved in the ESP32 (SPIFFS) file format. We will upload an image and .txt file to SPIFFS ESP32 using the ESP32 File System Uploader for Arduino IDE plugin. Follow the next instructions to install the plugin if it is not already installed:

Create a new Arduino sketch and save it. Go to Sketch > Show Sketch folder. In the Arduino sketch folder, create a folder named data. Move the .jpg and .txt files to your data directory.

Use Smtp To Send Email

After moving the files to the data folder, in the ardash tool, go to the tools folder > ESP32 data folder and wait for the file to load.

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You will get a success message on the debug window. If the files have been uploaded successfully, move on to the next section.

Note: if you start seeing a lot of dots….___…..___ printed on the debug window, you need to hold the BOOT button on the ESP32 board for the files to load.

Attached files and images. Before uploading the code, make sure you have entered the sender email and recipient email settings.

This code is similar to the previous one, so we will only look at the parts that are relevant for sending attachments.

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Then add attachment information: filename, MIME type, file path, file save type, and transfer encoding. In the next line we send the image file.

If you want to send more attachments, you need to call the following line before adding the next attachment:

After loading the code, open the Serial Monitor at baud rate 115200 and press the EN/RESET button on the display. If all goes well, you should get a similar message on the Serial Monitor.

Use Smtp To Send Email

In this tutorial, you learned how to send email using ESP32 using SMTP Server. For this method to work, the ESP32 must have internet access.

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If you don’t want to use the SMTP Server, you can write a PHP script to send email notifications using the ESP32 or ESP8266 board.

You learned how to send a simple email with text and attachments. When using attachments, they must be stored on the ESP32 file system (SPIFFS) or on a microSD card (not covered in this guide).

The examples presented show how to send an email when the ESP32 wakes up. The goal is to transform the code and integrate it into your projects. For example, it can be useful to send a .txt file with sensor readings, send pictures taken with the ESP32-CAM, use deep sleep to wake your monitor every hour, and send emails with information, and more.

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