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Understanding dedicated vs. shared IPs

Learn more about dedicated vs. shared IPs, their benefits and drawbacks, and how IPs are used in your sending infrastructure.

Understanding branded vs. shared sending domains

Learn more about branded sending domains (also known as dedicated sending domains), how they differ from shared sending domains, and when they may be beneficial for your business to use. In the world of email marketing, your sending infrastructure, including your sending domain, is very important. Sending domains are a key component of your email infrastructure, that to help build a positive reputation and promote domain alignment.

Understanding email authentication

Learn about email authentication protocols that are used to build your sender reputation, validate emails are coming from a legitimate sender, and protect against email abuse.

Understanding what a branded sending subdomain is

When setting up a branded sending domain (also known as a dedicated sending domain), you will need to choose an associated subdomain or prefix. In this article, you will learn more about how to choose a subdomain that is right for your business.

Deliverability glossary

The glossary below defines common deliverability terms and acronyms used in Klaviyo offerings.

Deliverability vs. delivery for each channel

Learn the difference between deliverability and delivery as well what they mean for email, SMS, and mobile push.

Email deliverability best practices reference

Learn about the different best practices for email deliverability. Following these best practices and recommendation actions is key to maintaining strong deliverability and successfully landing in customer inboxes.

How to test your email content to identify spam triggers

Learn how to find the content in your emails that is causing content to go to the spam folder or be blocked.

Understanding bot clicks

Learn about bot clicks (also known as server-clicks), and why some of the clicks on your emails and SMS messages may not come from a human. Bot clicks can impact your marketing strategy, as profiles may appear to be more engaged than they actually are.

Understand role-based email addresses and their impact on deliverability

Learn about role-based email addresses, and how they can impact your deliverability.

Email deliverability FAQs

Get answers to frequently asked questions around email deliverability, including how they are placed in inboxes, about bounces, and more.

Understanding sender reputation

Learn about email sender reputation, and why it is an important concept to understand for good deliverability. Maintaining a positive sender reputation is essential to maximize your emails’ likelihood of being successfully delivered.

Understand the domains that play a role in email deliverability

Learn about the different domains that play a role in the delivery of your emails, as well as the importance of domain alignment.

Understanding email deliverability

Learn about email deliverability, including the steps you can take to establish a strong sender reputation so that your emails are delivered to the inbox.

How to migrate your branded sending domain from a previous email service provider (ESP) to Klaviyo

Learn how to migrate your existing branded sending domain (also known as a dedicated sending domain) from a previous email service provider (ESP) to Klaviyo.

Understanding next steps after warming your email domain

Learn the next steps you can take after completing the warming process to continue building a successful engagement strategy.

Understanding dedicated IP warming

Learn more about the process for warming and setting up dedicated IP addresses. Dedicated IP addresses (not to be confused with dedicated sending domains) are used by Klaviyo managed accounts that meet certain sending criteria on Klaviyo. The main benefit of using a dedicated IP address is that the reputation of the IP address can only be influenced by the single account that is using it. Learn more about the benefits and drawbacks of using a dedicated IP. To learn if you qualify for a dedicated IP and more details about the warming process, please reach out to your Customer Success Manager for more information. And for more information on plans and success support, read more about how our free and paid plans differ.

Understanding ramping vs. warming

Learn more about the differences between warming and ramping, and when to perform either as you start with email marketing or edit your sending infrastructure. These terms are often used interchangeably, but it’s important to understand the differences of when they are specifically applied.

Understanding guided warming in Klaviyo

Learn about guided warming in Klaviyo, which makes it easy to warm your sending infrastructure.Warming your sending infrastructure trains inbox providers to view you as a “good sender.” This is essential any time you move to a new email service provider (ESP). In Klaviyo, we aim to make this as seamless as possible by offering guided warming to accounts who meet the prerequisites listed below.

How to change your sender email address and sender name

Learn how to change the sender email address and sender name in your Klaviyo account.

Understanding the platform introduction process in Klaviyo

Learn about the platform introduction process in Klaviyo; an alternate warming method if you cannot use standard warming.

How to warm your sending domain in Klaviyo

Learn about how to warm your sending infrastructure in Klaviyo. Warming your sending infrastructure trains inbox providers to view you as a good sender, and is essential any time you move to a new email service provider.

How to set up a branded sending domain

Learn how to set up a branded sending domain (also known as a dedicated sending domain) so that when emails reach inbox providers, they will appear to come from your brand instead of Klaviyo.

Understanding which warming process to use in Klaviyo

Learn how to choose the right warming process in Klaviyo, so you can establish a strong initial sender reputation and be viewed favorably by inbox providers.

How to set up dedicated click tracking

Learn how to set up dedicated click tracking and best practices when doing so. Dedicated click tracking allows you to show your own domain on click tracking links rather than the default Klaviyo domain.

Troubleshooting branded sending domain issues

Learn how to diagnose verification issues when setting up your branded sending domain (also known as a dedicated sending domain) in Klaviyo.

How to reduce spam complaint rates

Learn about spam complaint rates, and how you can reduce them.

Understanding email unsubscribe rates

Learn and understand how to decrease rising email unsubscribe rates. Unsubscribe rates inform you of how often customers unsubscribe from your emails. A high unsubscribe rate indicates that you’re either sending to those who do not wish to receive your marketing or you’re sending content that does not resonate with this audience.

How to decrease bounce rates

Learn more about bounce rates and how to decrease them over time. Bounce rates inform you of how often customers' email addresses bounce when you send to your subscriber list. A high bounce rate has a negative effect on your deliverability performance, and thus, on your sender reputation. It is important to monitor this metric and take action when you see a rise in this rate.This article specifically focuses on email bounce rates. If you are instead focusing on SMS deliverability rates, learn more in campaign SMS and MMS benchmarks for guidance.

Troubleshooting decreasing KPIs

Learn how to adjust your strategy to improve important KPIs within Klaviyo.Key performance indicators (KPI) are metrics that identify how successful your business is in achieving its goals and maintaining good deliverability practices. Some KPIs that measure your success are open rate, click rate, owned revenue, conversion rate, and more.

Third-party deliverability monitoring tools reference

In order to improve upon and maintain good deliverability, it is essential to continually monitor your email performance with Klaviyo. The best way to do so is to monitor your campaign and flow opens, clicks, bounces, and spam rates. For complete information on how to do so, head to our article around How to monitor deliverability performance.

Understanding spam traps

Learn about spam traps and how to prevent sending to them, so you can protect your deliverability.

How to verify email authentication configurations

Learn how to verify that your emails are being successfully authenticated using SPF, DKIM, and DMARC records.

Understanding the deliverability tab in campaigns and flows

Learn about the deliverability tab in Klaviyo, that provides an overview of key deliverability performance metrics for your campaigns and flow emails. This can help you easily identify low-performing email domains and countries, so you can take action to protect your deliverability.

Understanding the t-online.de inbox placement requirements

Learn how to meet the t-online.de requirements delivery. T-online.de is an inbox provider predominantly used by German subscribers with unique requirements for delivery. As a result, you may see a rise in bounces from this provider, lowering your ability to reach these German recipients.

Understanding bounced emails in Klaviyo

Learn about the reasons that emails can bounce, as well as how to view and suppress bounces in Klaviyo.

Getting started with email deliverability monitoring and performance metrics

Learn what good email deliverability metrics look like by industry, and which strategies to use to help improve your email performance. In this guide, find out about the specific open and click rate, both for email campaign and flow messages, that you should strive for after depending on what vertical or industry you are in. Additionally, learn ways to help mitigate potential deliverability issues and how to continue to monitor these rates over time.

Understanding list bombing and how to remove fake profiles

Learn about list bombing attacks and how you can remove fake email addresses to protect your lists. List bombing attacks fill your account with fake profiles, and can harm your sender reputation, data, and more.

How to repair your sender reputation

Learn steps you can take to repair your sender reputation if you are facing email deliverability issues and seeing a dip in performance. Sender reputation refers to your ability to successfully land in your customers' inboxes.

How to remove spam traps from your account

Learn how to remove spam traps from your account, and why this is important.

Understanding Klaviyo's reputation repair AI

Learn about the reputation repair AI and how to qualify. The reputation repair AI helps improve your sender reputation and overall deliverability by automatically excluding unengaged profiles from your sends.

How to strengthen your sender reputation for a specific country

Learn best practices to strengthen your sender reputation if you are seeing deliverability issues limited to specific countries. With the campaign deliverability tab, you can can see campaign specific performance by country.

Troubleshooting why emails go to spam

Learn about common reasons for emails to go to the spam folder.

How to market to profiles you shouldn't email

Learn about alternative ways to market to profiles that have not opted in for your email marketing.

How to re-engage an old email list

Learn how you can re-engage an old email list, with contacts that may no longer be active.

How to strengthen your sender reputation for a specific inbox provider or email domain

Learn best practices to strengthen your sender reputation if you are seeing deliverability issues with specific inbox providers or email domains. If your deliverability issues are not limited to specific inbox providers or domains, see our guide on repairing your sender reputation.

Understanding why some preview emails go to spam

Learn about some potential reasons why you may see Klaviyo preview emails land in your spam folder.

Understanding Gmail's tabbed inbox

Learn about Gmail's tabbed inbox, and key considerations to help you land in the primary inbox.

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