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.

12 Days of Holiday Sending: Use Good List Hygiene

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For our sixth day of our 12 Days of Holiday Sending, we’re focusing on good list hygiene! If you’ve never heard of using good list hygiene, it means to clean your list of old and unengaged email addresses that you may be sending mail to. If you think of good hygiene practices you run through personally, like washing your hands and brushing your teeth, it’s daily maintenance to keep everything in working order. The equivalence of doing that for your list is to comb through and remove email addresses that aren’t benefiting your list in any way. These “bad” email addresses could

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Code Challenge: Add Machine translation to SendGrid for communicating with your International friends.

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For todays post I wanted to explore a use case for the SendGrid API, that I personally don’t see too often. That use case is mashing up a Machine Translation API with our mail API and webhook. I want to create an email address that lets me communicate with my coworkers and friends that I have been lucky to make in Brazil. How this will work: I’m going to create an application that will translate any email that I send out into portuguese. Any email that gets sent to that address will be translated back into english. The concept is pretty simple

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12 Days of Holiday Sending: Watch Your Sending Frequency

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On the fifth day of our 12 Days of Holiday Sending mini-series, we want to close out our volume section with a quick note on frequency. When I wrote on Monday that you need to build up your sending volume, those tips go hand in hand with your sending frequency. We understand you’ll most likely have more mail you’d like to send over the holidays, which results in a higher sending frequency, BUT you need to watch your metrics closely to make sure you’re not exhausting your recipients with too much mail. The holidays are awesome, but they also bring some additional stress for

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SendGrid’s Secret Santa & Friends

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Many of you have have probably participated in X-Mas Gift Exchanges. If not, we should solve that! Here at SendGrid, we use Elfster and it works great. My friends and I have been doing an alcohol exchange recently. I thought this was a simple problem to hack on and use some of the SendGrid features. So I did! I’ll try to explain all the steps that I took to create our exchange system. First, I created a simple transactional template in SendGird’s Template Engine. Yes, the content is in Spanish Notice that I have #recipient# in the content. That’s because I

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12 Days of Holiday Sending: Don’t Be Too Aggressive

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For our fourth day of holiday email sending tips, we want to talk a little more about monitoring your sending volume. Yesterday, Kate shared the importance of maintaining relevance in your emails as you ramp up your volume (not ramping up your sends just for the sake of staying top of mind). I want to take it a step further into today’s tip to make sure that your sending patterns don’t become erratic during the holidays. Sometimes, you can get so filled with the holiday spirit, that you get overly aggressive with your sending volumes—one day you send a discount opportunity

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SendGrid Delivers Email Branding to DigitalChalk Customers

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The following is a guest post from DigitalChalk. Learn more about DigitalChalk at the bottom of this post. With any learning management system it is ideal to have private branding capabilities, and yet often times you don’t get that. With DigitalChalk, we continually work to allow our customers easy access to branding features. Our current features allow you to change the theme of your organization as well as uploading your company’s logo to the system, and now we’ve teamed up with SendGrid to allow email branding in conjunction with our notifications feature. It’s an easy process that doesn’t require the

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Code Challenge – Storing your incoming emails into Orchestrate.io

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For todays Code Challenge post I wanted to try out Orchestrate.io. Orchestrate has an interesting value proposition that’s very similar to what we do at SendGrid. Orchestrate essentially provides a “Database as a Service.” Data storage, just like email infrastructure, is one of those items that is easy to do poorly and very hard to do well. Orchestrate understands that different types of databases are optimized for different types of storage and retrieval. For example: MongoDB, CouchDb, and Redis: Key/Value Elasticsearch and Apache Solr: Full Text Search Neo4j and OrientDB: Graph MongoDB with 2dsphere indexes:  GeoSpatial According to Orchestrate, there

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