Author Archives: Warren Duff

About Warren Duff

Warren is a Marketing Copywriter at SendGrid, specializing in email and content best practices.


Articles Posted by Warren


My Email is Sending Spam! Now what?

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From Inbox to the Spam Folder My email is sending spam! It’s the bane of any email campaign. Whether you’ve just started to send email, or you’re sending millions of emails each month, it’s never a good thing for messages to end up in the spam folder. If you’ve noticed more and more instances where your email is being considered spam, it’s time to make some changes. Fortunately, we have a 3-Step System to getting your email back on track and delivered correctly. Step 1 – Learn About Spam If your email is sending spam, get familiar with the top

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CAN-SPAM Compliance: Breaking it Down

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Some of the most common questions we hear from customers are “What is CAN-SPAM Compliance?” or “What is the CAN-SPAM law?”. Fortunately, as experts in email deliverability, we’re here to help! We’ve put together an easy CAN-SPAM FAQ, and the steps you can take to make sure your email campaign is CAN-SPAM compliant. What is CAN-SPAM? CAN-SPAM is short for the CAN-SPAM Act of 2003, which is a law that was signed into effect to set rules for commercial electronic messages and provide recipients with the right to request that messages stop getting sent to them. Why should I care

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SendGrid Presents: Code Workshop

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The following announcement comes from SendGrid’s Support team. One of our primary goals at SendGrid is to make integrating with our platform and sending email as easy as possible for our customers. To help you accomplish this, we’ve developed a new tool called Code Workshop. Code Workshop provides customers a place to test their code in multiple code languages. In addition to generating code examples, Code Workshop can be used to construct JSON content for use with SMTP API headers. SendGrid’s Code Workshop has two fields. In the first, you can enter all of your message information, including “to” and

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Turning Complicated Subjects Into Useful Posts

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I have a confession. I am not a subject matter expert. I’m not an engineer, developer evangelist (aka genius), programmer, or product manager, and the last time I used HTML was on my MySpace page 10 years ago. Not only that, but before coming to SendGrid, I had no idea what happened to an email after you hit the send button. So, how do I take technical subject matter and create content about it that is interesting or useful to a technical audience? Below, I’ve outlined my process for overcoming obstacles and getting content out: Step 1 – Admitting I’m

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Responsive Templates: Make Sure Everyone Can Read Your Email

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Checking email on mobile devices is more popular than ever before. We recently discovered that almost half of all messages sent through SendGrid were engaged by a mobile phone or tablet. What does this mean for you? Whether it’s a phone, tablet, laptop, or desktop, you need to make sure your email message looks great on whatever device the recipient chooses to read it on. Like we’ve covered in the past with How to Keep Your Email Looking Great in Any Inbox, messages render differently with different browsers and email clients. The same goes for mobile devices and tablets. Depending

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First Yahoo, and Now AOL. What Do You Need to Change to Be DMARC Compliant?

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As you probably heard last week, Yahoo updated their DMARC policy so that mail from @yahoo.com accounts will be rejected if it isn’t sent from a Yahoo server. Now, AOL announced they are implementing the same DMARC change. AOL has changed their policy to p=reject in an effort to protect users from unauthorized use and to protect recipients from spoofing attempts. So, how can this affect you? What This Means for Senders Much like we detailed in our blog post An Update on Yahoo’s DMARC Policy, if you’re sending email with AOL.com in the From address field, messages will be

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An Update On Yahoo’s DMARC Policy

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A recent change in Yahoo’s DMARC validation policy may be preventing your messages from being delivered. Recently, Yahoo made a significant change in their Domain-based Message Authentication, Reporting, and Conformance (DMARC) policy. DMARC is a system for implementing Domain Keys Identified Mail (DKIM) and Sender Policy Framework (SPF) validation and authentication. With a DMARC policy in place, if an email address does not match the domain server/service it originated from, it is bounced or blocked. This is a great security measure for preventing emails from companies spoofing mail domains from reaching the inbox. Yahoo has introduced a DMARC record that

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