Will exceeding email size limits and causing clipping affect overall email deliverability and sender reputation?
Summary
What email marketers say9Marketer opinions
Email marketer from Mailchimp Resource shares that large email sizes increase the likelihood of being marked as spam. Optimizing images and code can help reduce the size and improve deliverability.
Email marketer from HubSpot shares that large email sizes can negatively impact deliverability and sender reputation. They advise using smaller, optimized images and keeping the HTML code clean and minimal.
Email marketer from Sendinblue notes that optimizing email size and structure, avoiding large attachments, and using compressed images can greatly improve inbox placement rates and sender reputation.
Email marketer from ActiveCampaign shares that complex email designs and large image sizes can affect deliverability. They recommend simplifying designs and compressing images.
Email marketer from Reddit shares that consistently sending large emails can increase spam scores. They advise keeping emails lean and optimized for better deliverability.
Email marketer from Email on Acid explains that exceeding size limits can indirectly affect deliverability. Large emails can load slowly, leading to lower engagement and potentially more spam complaints.
Marketer from Email Geeks recommends avoiding exceeding the size limit, as spam filters could penalize it, and it may slowly degrade sender reputation over time.
Marketer from Email Geeks suggests that clipping messages could lead to more spam reports if the unsubscribe link is below the fold.
Email marketer from Neil Patel Blog shares that large emails can affect deliverability. He notes that while there isn't a universally agreed-upon size limit, exceeding certain thresholds can trigger spam filters and reduce engagement.
What the experts say4Expert opinions
Expert from Spam Resource explains that while email size is not a primary factor, excessively large emails, especially with poor code or excessive images, can contribute to higher spam scores and trigger filters.
Expert from Word to the Wise shares that poorly coded emails and large file sizes can negatively impact deliverability by making it harder for recipients to download and view your message. This often causes them to unsubscribe which over time can degrade sender reputation.
Expert from Email Geeks explains that clipping messages will likely only affect the reporting of opens if the open tracking pixel is below the fold but will not affect other messages or senders.
Expert from Email Geeks states larger messages are a display issue, not a reputation issue.
What the documentation says5Technical articles
Documentation from SparkPost emphasizes that optimizing images for email, including compressing them and using appropriate formats, can significantly reduce email size and improve deliverability.
Documentation from Google Workspace Admin Help explains that Gmail has a message size limit of 25 MB. Exceeding this limit will prevent the email from being sent or received.
Documentation from Microsoft Learn specifies that Exchange Online has a message size limit which, if exceeded, will result in non-delivery. The specific limit varies based on the subscription.
Documentation from MDN Web Docs advises keeping HTML email code simple to ensure compatibility and reduce the risk of being flagged as spam. This includes limiting the size and complexity of the HTML.
Documentation from Litmus explains that Gmail clips emails larger than 102KB. When an email is clipped, it can affect tracking and user experience, but does not directly impact sender reputation.