Gmail Not Showing Unsubscribe Option Despite Correct Mailgun Headers

Other Questions Mailgun
1

Hey folks, I’m scratching my head over this one. I’ve set up my Node.js app with Mailgun to send out emails, and I’ve added the unsubscribe headers Google wants for bulk senders. But for some reason, Gmail isn’t showing the unsubscribe link in the UI.

I’ve double-checked everything:

  • Added the List-Unsubscribe and List-Unsubscribe-Post headers
  • Configured DMARC, SPF, and DKIM (all passing)
  • Can see the headers in the email source

Here’s a quick look at my code:

sendEmail: function(emailData) {
  const mailgunStuff = require('mailgun-js')(config);
  const emailInfo = {
    from: `<${emailData.sender}>`,
    to: emailData.recipient,
    subject: emailData.topic,
    html: emailData.content,
    'h:List-Unsubscribe': '<https://mysite.com/stop-emails>, <mailto:[email protected]>',
    'h:List-Unsubscribe-Post': 'List-Unsubscribe=One-Click'
  };
  mailgunStuff.messages().send(emailInfo, callback);
}

Any ideas why Gmail’s not picking up on this? It’s driving me nuts! Thanks for any help!

2

I’ve dealt with similar Gmail quirks before. One thing that worked for me was adding the List-Unsubscribe header to both the MIME and SMTP levels. Try including it in your SMTP headers too, not just in the Mailgun API call.

Also, check if your emails are landing in the Promotions tab. I’ve noticed Gmail sometimes doesn’t show the unsubscribe option there, even with correct headers. You might want to tweak your content to aim for the Primary tab instead.

Another tip: make sure your domain has a solid sending history. Gmail tends to trust senders with consistent volume and low complaint rates more. It might take a few weeks of steady sending before the unsubscribe option shows up consistently.

Hang in there – Gmail can be a tough nut to crack, but persistence usually pays off!

3

I’ve encountered this issue before, and it can be frustrating. One thing to consider is that Gmail doesn’t always display the unsubscribe option immediately, even with correct headers. It often takes time and consistency for Gmail to recognize your emails as bulk and show the option.

Have you been sending a significant volume of emails regularly? If not, try increasing your send volume and maintaining consistency. Also, ensure your email content is relevant and engaging to recipients to avoid spam flags.

Another factor to check is your sender reputation. Use tools like Google Postmaster Tools to monitor your domain’s reputation with Gmail. Poor reputation can affect how Gmail treats your emails, including whether it displays the unsubscribe option.

Lastly, double-check that your unsubscribe URL is working correctly. Sometimes, a non-functioning unsubscribe link can cause Gmail to not display the option. Test it thoroughly to ensure it’s operational.

4

have u tried using a different email service to test? sometimes gmail can be picky. also, make sure ur not in the spam folder - unsubscribe might not show there.

double check ur sending IP reputation too. if its bad, gmail might ignore the headers.

good luck mate, hope u figure it out!