Why are my Klaviyo preview emails not showing up in my inbox?

Email marketer from Stack Overflow mentions that incorrect DNS settings (SPF, DKIM, DMARC records) could be preventing email delivery. Verify that your DNS records are properly configured for Klaviyo.

Email marketer from Mailjet advises that you should check if your IP address has been blocked, you can find this out via a block list checker.

Marketer from Email Geeks explains that Proofpoint or similar firewall technology may be preventing test emails. Recommends working with the IT team to whitelist Klaviyo as an approved sender.

Email marketer from Klaviyo Community responds that if you're using Gmail, the email might be getting filtered into one of the other tabs (Promotions, Social, etc.) instead of the Primary inbox. Check those tabs to see if the preview email landed there.

Email marketer from Shopify Community suggests that the email address might be on a suppression list in Klaviyo. Check if the email address was accidentally added to a suppression list, which would prevent any emails from being sent to it.

Email marketer from Email on Acid explains that companies have a firewall blocking emails, reach out to your IT team to get the email addresses white listed.

Email marketer from Reddit shares that filters could be automatically moving or deleting the emails. Check your email filters to see if any rules are affecting delivery from Klaviyo.

Expert from Email Geeks suggests asking Klaviyo support to prove it's sending, or trying a different destination address to see if an ISP/MBP is blocking the test email. Also suggests using a test address provided by aboutmy.email to see if it goes through and highlight potential delivery failures.

Expert from Spam Resource explains that the quality of your email list significantly impacts deliverability. Sending to old, unengaged, or purchased lists can lead to low engagement and high bounce rates, damaging your sender reputation.

Expert from Word to the Wise explains that you should sign up for Feedback Loops, as this tells you when users mark your email as spam.

Expert from Email Geeks indicates that the listed failures shouldn't prevent test email delivery and advises contacting Klaviyo to check if the ISP is blocking the Klaviyo sending IP or domain.

Expert from Spam Resource explains that email authentication issues, particularly with SPF, DKIM, and DMARC, can cause deliverability problems, especially with stricter mailbox providers. Correctly setting these up is crucial.

Documentation from Klaviyo outlines that the first step is to check the spam or junk folder of your email client. It is possible the preview email was filtered as spam.

Documentation from Klaviyo explains that a low or damaged sender reputation can cause emails to be filtered into spam or blocked entirely. Warming up your IP address and domain is essential for achieving optimal deliverability.

Documentation from RFC Ignorance states that email may not arrive due to lack of authentication.

Documentation from Klaviyo explains that if your company uses a firewall or email filtering service (like Proofpoint), it may be blocking emails from Klaviyo. Whitelisting Klaviyo's sending IPs and domains with your IT department is important.

Documentation from Spamhaus shares that email might not arrive if the reputation of the sender is poor.