Resend
@resend
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Email for developers.
San Francisco, CA
Joined January 2023
You can check the rest on: https://t.co/4Lm30bhvQ4
resend.com
A recap of some of the best features Resend launched this year.
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5. Idempotency Keys When sending emails at scale, it's important to ensure your emails are sent only once. That's why, we added support for idempotency keys to the Email API and Batch API. https://t.co/hDE24TGarr
Idempotency is crucial for building reliable apps. But what is it? and do you need it? 👇
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4. Multiple Teams Earlier this year, we added support for multiple teams. Each team is distinct, with its own API keys, billing, and usage. You can create as many new teams as you need. https://t.co/lOiFfpnhN4
Launch Week → Day 2 Many people use Resend for multiple projects—whether different clients or they use Resend for both personal and work projects. Today, we're excited to announce support for multiple teams.
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3. Templates This year, we launched Templates, a new way for your team to personalize emails. Define a structure and style of your template to communicate your brand. Then, add variables to personalize the email. https://t.co/21E3fpOD3Z
Today, we're launching Templates. A new way to personalize emails. Anyone on your team, from designers to marketers to developers, can create templates with our modern email builder.
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2. New Email Most LLMs can generate templates, but you can't have confidence they'll render correctly in all email clients. That's why we built https://t.co/NhK3UduPlB
https://t.co/9CsiYCINwe
Emails shouldn’t be stuck in the past. Let’s do something new. Sign up for the waitlist today: https://t.co/9W0egjQDeh
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1. Inbound Emails This year, we enabled you to receive emails with Resend, our most requested feature. https://t.co/D4cPnk5EV8
Introducing: Inbound by Resend. We started by modernizing the way you send emails. Today, we're making it easy for you to receive emails as well.
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Before moving into 2026, let's recap some of the best features we launched this year. Here's a quick overview: 1. Inbound Emails 2. New Email 3. Templates 4. Multiple Teams 5. Idempotency Keys 6. Multiplayer Editor 7. React Email 5.0 8. Contacts Experience 9. Unsubscribe Topics
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I swear if you make a product where you have to send emails plz use @resend The best DX I experienced ( with @autumnpricing )
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Discovered @resend about 2 years ago and was impressed by the simplicity and strong developer experience. I took another deep dive last month. Features like receiving emails, webhooks, and templates are incredibly well thought out. Amazing product evolution! Keep going! 🔥
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Going live today (Dec 16) at 2:30pm ET! 🎥 @seancdavis29 + @TomHacohen are digging into webhooks that connect @resend → Netlify (powered by @SvixHQ) for an email-in recipe card agent workflow. Tune in live:
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Resend makes it easy to get SPF, DKIM, and DMARC set up—but what else can you do to ensure your emails are delivered? Here are our top 10 tips to keep your emails out of spam folders:
resend.com
Our top tips for avoiding the spam folder and reaching the inbox.
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Even if an email passes authentication or the DMARC policy is none, the server can still decide to quarantine or reject the email based on its own checks.
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Next, mail servers check the DMARC policy of the sending domain: 🔸 None: emails can be delivered 🔸 Quarantine: place emails that fail DKIM and SPF in the spam folder 🔸 Reject: bounce emails that fail checks Learn more about DMARC policy modes:
resend.com
A practical guide to DMARC policy modes—none, quarantine, and reject—and what to expect when enforcing them.
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First, a mail server will check your DKIM and SPF policies. 🔸 SPF: a list of allowed IP addresses 🔸 DKIM: a signature that verifies an email came from its claimed domain and hasn't been altered If you've set policies to "relaxed" (the default), your emails will be accepted.
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🔥 Pro Tip 🔥 How does a mail server know that your email actually comes from you? There's a series of checks that happen in 3 main stages: 🔸 Authentication 🔸 DMARC check 🔸 Disposition 🧵 👇
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Check out the full video! https://t.co/mTriI1ktxk
now with @vibeflowai you can set up automatic email notifications using the @resend node, from plain text. in this demo we build a simple landing page where users subscribe + instantly get a welcome email. clean and fast ;) #vibeflow #vibecoding #resend #app
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Learn more about how Resend makes it easy to send emails from your Python app. https://t.co/MLV6OcWTVV
resend.com
Either you're building a web app with Django, a RESTful API with Flask, a machine learning model with PyTorch, or a data manipulation script with Pandas, Resend seamlessly integrate into your stack.
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Whether you're building a web app with Django, a RESTful API with Flask, a machine learning model with PyTorch, or a data manipulation script with Pandas, Resend seamlessly integrates into your stack.
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Calling all Python devs! Quick start guide to sending emails from your app 👇
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