Why are my AMP emails going to spam in Outlook?

Email marketer from Mailjet explains that several factors can affect whether emails land in Outlook's spam folder, including sender reputation, email content, and authentication.

Marketer from Email Geeks suggests looking at the email headers in the inbox to see if anything is getting changed as a place to start troubleshooting.

Email marketer from StackOverflow explains that differences in AMP rendering across email clients, including Outlook, can sometimes cause display issues or trigger spam filters if the fallback version isn't properly configured.

Email marketer from Neil Patel's Blog explains that implementing email authentication protocols like SPF, DKIM, and DMARC is crucial for improving email deliverability and avoiding spam filters, including Outlook's.

Email marketer from GlockApps shares that setting up feedback loops with email providers like Microsoft (Outlook) can help you identify and address deliverability issues. This allows you to see when your emails are being marked as spam and take corrective action.

Email marketer from Reddit shares that common mistakes, such as using URL shorteners, spam trigger words, or having a low sender reputation, can cause emails to be flagged as spam in Outlook.

Email marketer from Email on Acid explains that thorough testing of AMP emails across different email clients, including Outlook, is crucial to ensure proper rendering and avoid spam filters. They recommend using preview tools to check how the email appears and functions.

Email marketer from Gmass explains that warming up your IP address gradually can improve your sender reputation and help your emails avoid spam filters in Outlook. This is especially important when starting to send AMP emails from a new domain.

Email marketer from Sender.net shares that consistent sending volume, engaging content, and avoiding spam triggers can help improve email deliverability to Outlook inboxes.

Marketer from Email Geeks shares that they haven't had any issues with their AMP emails and asks if anything changes with the fallback when adding the AMP mime part.

Expert from Email Geeks explains that AMP doesn’t work at Outlook so they should always get the fall back anyway. Probably safe to I get the tests failing there.

Expert from Word to the Wise explains that because not all email clients support AMP, having a well-coded HTML fallback version is vital. Outlook, in particular, relies on the HTML fallback. Ensure this version is fully functional and adheres to best practices to avoid spam filters.

Expert from Spam Resource emphasizes that sender reputation is a key factor in deliverability to Outlook. If your sending domain or IP address has a poor reputation due to past spam complaints or blacklisting, your AMP emails are more likely to land in the spam folder.

Documentation from RFC-Editor.org details the correct MIME part configurations for emails, including the proper structure for including AMP and fallback versions. Incorrect MIME structure might cause rendering and spam issues.

Documentation from Microsoft Support explains that users can add senders to their safe sender list in Outlook, which can help ensure that emails from those senders are not marked as spam. However, this is a user-specific setting and does not guarantee deliverability for all users.

Documentation from Microsoft Support explains that Outlook uses a variety of filtering mechanisms, including the SmartScreen Filter, to identify and filter spam. AMP emails might be affected if they trigger these filters.

Documentation from AMP.dev highlights the strict security requirements for AMP emails, including valid SSL certificates and adherence to AMP specifications. Non-compliance can lead to deliverability issues.

Documentation from Litmus shares that Litmus provides tools to test email deliverability and identify potential spam triggers. AMP emails can be tested for compatibility and spam scores before sending.