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Your newsletters and offers are going to spam

You write a good newsletter, send it to people who asked for it, and almost no one opens it. Most of them never saw it.

Updated · senderframework.com

Signs this is happening to you

  • Fewer people open your newsletter than a year ago.
  • Subscribers find it in spam, junk or Promotions.
  • Your newsletter tool says it was delivered, but no one reads it.
  • Your everyday email started going to junk too.

Why do my newsletters go to spam?

The big email companies are much stricter with email sent to a lot of people at once. They want proof it's from you, and an easy way for people to stop getting it.

Your newsletter tool, like Mailchimp or Constant Contact, sends in your name. If it isn't set up to prove it, to the inbox it looks just like the spam it was built to keep out.

The tool says it was delivered. Wasn't it?

Delivered means the other side took it. It doesn't mean it reached the inbox. Delivered to spam still counts as delivered.

Can it hurt the rest of my email?

Yes. When a lot of email in your name goes to spam, the inbox starts to trust your name a little less. Then your everyday emails, to real customers, can start to go missing as well.

What we find that others miss

These are small things. Each one is enough to send your email to spam, or let a fake through.

Is any of this hiding in your email? Find out today.

Why senderframework.com

Your list took real work to build. It deserves to see what you send.

We make sure your newsletter tool can prove it's you, and keep watch so it stays that way. Your whole list, not half of it.

senderframework.com was built by people who have spent years in the email business, fixing problems just like this one for businesses just like yours. We have seen every way business email goes wrong. Email is all we do, and we do it every single day.

  • Once you're set up, the big email companies report to us each day on the email sent in your name. We read every line, so you don't have to.
  • Plain words, not codes. What's wrong, how much it matters, and what to do about it.
  • The exact change to make, built from what you already have. Hand it to whoever runs your email and it's done.
  • We know your own email from a fake, even when someone has passed it along. No false alarms.

Not ready yet? See where your email stands in seconds, free:

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Build 91 · d8c4753 · 2 Nov 2026, 13:17 UTC