Mail Server Solution(3)SendGrid

Mail Server Solution(3)SendGrid

1. Set Up ngrok

https://ngrok.com/

Get the file from here https://dl.ngrok.com/ngrok_2.0.19_darwin_amd64.zip

Unzip the file and copy that to working directory, add it to the path.

This Command will verify if it is working

> ngrok -help

Command to Start

> ngrok http localhost:3000

Tunnel Status online

Version 2.0.19/2.0.19

Web Interface http://127.0.0.1:4040

Forwarding http://503def19.ngrok.io -> localhost:3000

Forwarding https://503def19.ngrok.io -> localhost:3000

Connections ttl opn rt1 rt5 p50 p90

0 0 0.00 0.00 0.00 0.00

This will open a tunnel from the public URL to your localhost 3000 for testing purpose.

2. Set Up the Sample Codes

Create a Free account on app.sendgrid.com

https://github.com/sendgrid/sendgrid-parse-api-example nodeJS

https://github.com/Ziggeo/php-sendgrid-parse PHP

Go to the pages to set up the email forwarding on SendGrid

https://app.sendgrid.com/settings/parse

Add the domain name and forward URL there. I am using http://requestb.in/1gkr1qv1 for testing.

Adding the MX record to my domain name.

MX TTL – default (1 hour) – 10 mx.sendgrid.net.

Wait for 1 hour and Send the Email to my domain name.

I setup my domain name in both of these 2 places

https://portal.dynect.net/

http://www.networksolutions.com/

It works after few hours.

Here is the PHP solution(It seems too old.)

https://github.com/sendgrid/sendgrid-parse-demo

Here is the NODEJS solution

https://github.com/sendgrid/sendgrid-parse-api-example

Download the sample project NODEJS

> git clone https://github.com/sendgrid/sendgrid-parse-api-example.git

Change the configuration file

> mv .env.example .env

Change the content their to replace the username and password from SendGrid

Compile

> npm install

Start the Service

> node app.js

Verify if the application is running, should return 200

> curl -I -X POST http://localhost:3000/inbound

Use ngrok to get a public access

> ngrok http 0.0.0.0:3000

Then we will have something like

> curl -I -X POST http://f7df8a18.ngrok.io/inbound

Visit this page to watch the status

http://localhost:4040/inspect/http

You can check the activity on SendGrid

https://app.sendgrid.com/email_activity?

3. Understand the Sample NODEJS Codes

dotenv

https://github.com/motdotla/dotenv

HAPI – similar to ExpressJS

http://hapijs.com/

There is nothing special there, from my understanding, we just directly get the request payload and we get the attachments and attachment1, attachment2, attachment3 …

References:

Mail Server Solution 1 & 2

http://sillycat.iteye.com/blog/2228923

http://sillycat.iteye.com/blog/2229222

Some Demos and Documents

https://sendgrid.com/

https://sendgrid.com/docs/API_Reference/Webhooks/parse.html

https://sendgrid.com/blog/sendgrids-parse-api-parsing-incoming-email-is-now-faster-and-easier/

https://sendgrid.com/blog/test-webhooks-ngrok/ test sendgrid with ngrok

https://github.com/sendgrid/sendgrid-parse-api-example

https://github.com/sendgrid/sendgrid-parse-demo

https://github.com/phpmasterdotcom/HandleEmailWithSendGrid

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