Klaviyo's close integration with your website and ecommerce platform means that you'll have a vast amount of data at your disposal, particularly when it comes to building segments and flows. Klaviyo pulls in information about customers, subscribers, and even web browsers. This also means you may have a number of email addresses in your account that you should not send to, since they haven't opted in to receive emails from you.
Emailing contacts who haven't opted in can cause your emails to be marked as spam and negatively impact your deliverability. For this reason, it's important that you understand who you should and should not email in your Klaviyo account, as well as alternative ways to market to contacts in your Klaviyo account that you shouldn't email.
Practices to Avoid and Alternatives
- Don't email broad segments of people, such as "email contains @" or "Active on Site at least once over all time." These segments will pull in people in your account who have simply visited your website at some point but have never opted in. This can seriously damage your deliverability and sending reputation.
Instead, make sure all of your segments have a condition that restricts them to your master list. This will ensure that you're only emailing people who have opted in.
- Don't re-send the same campaign to people who didn't open it the first time. If they didn't open it the first time and you didn't change anything about the email, odds are they won't open it the second time. Repeatedly sending to people who don't open your emails will lead to low open rates and, consequently, harm your deliverability.
Instead, send a different, followup campaign to non-openers or, alternatively, advertise to them on Facebook. You can try sending a completely different campaign (different subject line and content) as a followup to the first if it is a particularly important email, like a product release. Additionally, if you build a segment of people who didn't open a particular email and sync it with a custom audience in Facebook, you may be able to reach people in a way that resonates better with them.
- Don't send to purchased lists. This violates not only CAN-SPAM, but also Klaviyo's Terms of Service.
Instead, grow your list organically using signup forms.
- When running a contest, sweepstakes, or giveaway, don't automatically add people who sign up to your master list. Oftentimes these are not very engaged leads and sending to them can later hurt your open rates and deliverability.
Instead, funnel contest, sweepstakes, or giveaway signups into a welcome series, where they can choose to opt in to receive your newsletter emails.