SendGrid's Email Deliverability Blog


From email deliverability best practices, to hackathon highlights, API tutorials, and everything in between, the SendGrid blog is your destination for all things email. Browse our most recent posts in the main feed or filter by category. Be sure to subscribe to the blog to get a daily digest of posts and reach out to us in the comments to let us know how we're doing.

Add SendGrid to Your Node.js Applications With Modulus

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We are excited about working with innovative, like-minded companies, so today we’re pleased to announce our partnership with with Modulus, a Progress company. Modulus is a platform-as-a-service (PaaS) that allows you to easily host, deploy, scale, and monitor your Node.js applications. The Modulus platform is ideally suited for developers who are building real-time mobile, SaaS, social, and big data apps that run across distributed devices and require built-in performance monitoring and powerful analytics. Modulus is offered both as a hosted service and can be deployed by enterprises in public, private, and hybrid clouds as well as on-premise. For the enterprise, Modulus provides

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Tracking Email Using Microsoft Azure and the SendGrid Event Webhook (Part 1)

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At the end of this three-part blog post, you will have created a Windows Phone app that can receive push notifications when certain email events happen (e.g. email opened or link clicked), in near real-time. In this first post, we’ll implement the SendGrid Event Webhook listener. Specifically, a C# ASP.NET application on Azure. Part two will cover creating a Windows Phone 8.1 app that displays email tracking data via the SendGrid Web API. In part three, we’ll send push notifications from our SendGrid Event Webhook listener when certain events, such as a bounce, occur. Prerequisites/Assumptions This code (source) was developed

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Sending Email From a Tessel Using SendGrid

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When Technical Machine announced their JavaScript powered microcontroller almost a year ago, I immediately backed it once it popped up on the Dragon Innovation crowdfunding platform. Since their successful funding on October 5th 2013, I’ve been waiting. Waiting for TODAY. When my Tessel microcontroller and GPRS Sim900 add-on module arrived after a two week trip from the US, to my house near Wimbledon, in London, via somewhere in Germany. As I’m about to go on holiday, I don’t have a lot of time to dig in and really explore the uses but there was one thing I knew I could

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Sending Email With Nodemailer and SendGrid

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The recent release of Nodemailer version 1.0.0 was packed full of awesome! Not only was it completely rewritten from the ground up, but it brings support for a modularized transport system, giving developers a standard way to send email regardless of the service used to send it. This is huge because it allows developers to switch all of their mail sending functionality over to a new email transport by only changing a few lines of code. You’ve always been able to use Nodemailer with our SMTP transport, and you still can, but we advocate using our Web API wherever possible,

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Tips and Tricks for a Beginner Developer Evangelist (Part 2)

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In my previous post, I talked to a few colleagues about the tips and tricks they would give me as a beginning Developer Evangelist. The first tips were from evangelists outside of SendGrid, while this set is from my fellow SendGrid team members. Whether it’s about attitude, tech, travel, or life in general, I gathered some great input that you can check out below: Tim Falls – Director of Developer Relations at SendGrid Always be charging and have internet. Phone is your best friend. Always have data when international. Enjoy yourself and look up! Brandon West – Manager of Developer

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Can’t Stay Out of the Spam Folder?

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There is nothing more frustrating than being accused of something you’re not. So if you’re not sending spam, but keep ending up in the spam folder, we hear your pain and want to help! Even the smartest, best-intentioned senders can get caught in a dreadful spam trap or forget to whitelabel, so don’t beat yourself up. It happens. The good news is, we’ve created a webcast Tips and Tricks to Stay Out of the Spam Folder focused entirely on staying out of the spam folder and getting in the inbox. (Because we all know at the end of the day,

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What is an SMTP Server?

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Just like our SMTP Service Crash Course, we’re revisiting one of the basic elements of email deliverability: the SMTP Server. Again, we teamed up with our own Nigel Dunetts, a SendGrid Support expert, to answer a few of the most common SMTP server questions. What is an SMTP server? Simply put, an SMTP server is a machine, or collection of machines, whose primary purpose is to send, receive, and/or relay messages between email senders and receivers. An SMTP server will have an address, or addresses, that can be set by the mail client or application that you are using, generally

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