Can I perform IP warming with single image emails?
Summary
What email marketers say8Marketer opinions
Email marketer from Email Geeks suggests considering if the warming email is similar to production emails. If you intend to add text later, consider adding it now, so the warm-up content isn’t very different from subsequent production emails.
Email marketer from SendPulse Blog shares that using single image emails during IP warming can negatively impact your sender reputation because they often lack sufficient text content, are flagged as spam, and receive low engagement, thus failing to build a positive sending history.
Email marketer from ActiveCampaign explains the importance of IP warming and how it helps to create a good reputation. They suggest sending engaging emails with a mix of text and images.
Email marketer from Mailjet Blog explains that while technically possible, warming up an IP with single-image emails is not recommended due to spam filter triggers and low engagement rates. They recommend using a mix of text and images.
Email marketer from Email Geeks shares that single image emails can be hard with engagement, which is needed to warm emails. Many recipients won't see the call to action because they won't load images by default, and scanners don't trust single image emails.
Email marketer from Reddit user shares that warming should involve content users want to receive, images alone might not achieve that. Mix it up with valuable text.
Email marketer from Reddit states that relying solely on image-based emails for IP warming is generally a bad practice. Focus on building trust with mailbox providers by sending valuable content with a balanced text-to-image ratio.
Email marketer from Email Geeks explains that IP warming is about demonstrating the quality of your mail stream gradually. If the image emails are expected, wanted, and resonate with the target audience, then it's acceptable.
What the experts say4Expert opinions
Expert from Email Geeks explains that sending emails that are a single image look like spam and have other problems. He strongly advises against sending them, especially during IP warming, as you are trying to show the machine learning system what your email content looks like.
Expert from Email Geeks explains that if content-based filters put the emails in the spam folder due to being an image or poor interaction, this reduces the reputation of the sending IP rather than increasing it.
Expert from Word to the Wise shares that image-only emails are generally not recommended, particularly during IP warming. They can trigger spam filters due to the lack of text and often have poor engagement rates. Building a positive sending reputation requires a balanced approach with text and images.
Expert from Email Geeks shares that ideally, you should send your most compelling content to your most engaged recipients while warming up. You're trying to teach the system not just that "this is a source of a significant volume of email" but also "this is a source of a significant volume of email which your users want to receive". The first bit is very important at first, but the second bit is important for building a healthy reputation for the mail stream.
What the documentation says3Technical articles
Documentation from AWS explains that when establishing your IP address reputation you should send emails with a good balance of text and images. Sending single image emails may be interpreted as malicious.
Documentation from SparkPost explains that during IP warming, it is important to send engaging content with a good text-to-image ratio to avoid spam filters. Single image emails can hurt deliverability and should be avoided.
Documentation from Google Postmaster Tools shares that you should make sure to avoid sending only images as this could be detected as spam. Focus on having a good text ratio to images in your email.