Regardless of which image embedding method you choose, you'll want to test your emails before you send. Requires download from external servers.Suffers the same blocking problems as Base64 encoding on most services.Allows for changes to images after sending.Ensure the image is publicly accessible.Link to the images in your HTML email with the full URL path.Reduce the image size so that it doesn't require additional bandwidth.Upload images to a directory on your server or into any cloud storage public folder.However, if 200,000 people will get your email over the course of one day, then it would be wise to have your image stored on a Content Delivery Network such as Amazon's CloudFront.įollow these simple steps to use linked images in your emails: If you send to 100 people over the course of a week, then you don't need to consider this so much-you could host your images in the public folder of your Dropbox account if you want, and it would be more than sufficient. However, you should consider the following if taking this approach-how many people will receive this email, and where are they in the world? There's nothing super technical to achieve here. Your alternative to this is to link out to your images and load them from an external server. Is most likely blocked by default in many webmail servicesĪs you can see from the above example, if you try to use a lot of Base64 encoded images in your email, the actual size of the email sent will increase significantly, slowing down sending.Can really increase the size of emails, especially if you use more than one image.Requires less deep dive into MIME and application code.Once your encode your image, jump into your template, or whatever HTML you send out, and embed it using a standard HTML image tag: HTML inline embedding is much more simple, mostly because you don't have to completely roll your emails and dig around in Multipurpose Internet Mail Extensions or MIME to use it.Įmbedding an image in an email first requires that you have a version of the said image as a Base64 encoded string.
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