How to Change the From/Reply-To Address on Your Emails

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If you’re finding that your emails end up in the spam folder when you're first getting started with Klaviyo, it may be the case that your from/reply-to email address is a Gmail, Yahoo, or another free email address. Sending mass email from a personal address can cause inbox providers like Gmail, Outlook, etc. to flag your messages as spam, as this is considered to be suspicious activity. 

Before you start sending to your customers, make sure that you have an email address that includes your domain name. For example, you’ll want your from/reply-to address to look like This indicates to inbox providers that you are a legitimate sender with a legitimate business.

Changing Your Default From/Reply-To Address

To edit the default from/reply-to setting for your business, click on the account dropdown in the top right and select Account. Then, navigate to Contact Information > Organization and edit the default from email/reply-to email address. Click Update Information to save your changes.


After changing your default from/reply-to address, any email you create after will reflect this. However, pre-existing flows do not automatically update; rather, you will need to manually update each flow email. Prioritize high-engagement flows such as your welcome series, browse abandonment, and abandoned cart flows so you can set them live quickly. See the section below for more details.

Changing the From/Reply-To Address for a Single Email

For a campaign or flow email, click into the email and navigate to the message overview page. Here, you can edit the from/reply-to email address directly. Click Save Changes to save your updates.


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