Use linked or hosted images instead of base64-encoded strings for better deliverability and scalability.No hard rules, but just keeping these tips in mind will help you to create a good email template: There are several practices that you should consider before initiating the email campaign. Best Practices for Embedding Images in HTML Email You can also use the server where your website is hosted but ensure that the speed of loading the images should be great otherwise, it can lead to a poor recipient experience. Many big companies are using this approach with their dedicated resources server. Once you upload your file at any of the services, you get the link which you can then insert in the img tag like: Hosting images on dedicated cloud services like Cloudinary, Bunny CDN (Content Delivery Network), or Amazon AWS S3 is recommended to embed images in HTML email. So, what is a good approach to embedding an image into an HTML email? Linked or hosted images embed Base64-encoded content is not editable or scalable once embedded.Some mail services do not display it, including Microsoft Outlook.It increases the size of your email, which causes deliverability of email and spam issues.For detailed images, it generates a long string.It is not a preferred method to use in emails. You can achieve it by using online tools or coding libraries.Īfter obtaining the base64-encoded string, you can integrate it directly into your HTML or CSS code utilizing the “data” attribute. To apply inline embedding, you must first transform the image file into a base64-encoded string. It enables you to add images to your web pages without requiring the separate loading of external files. The inline embedding or base64 encoding involves incorporating images or binary data straight into HTML or CSS code. This code defines an email message with an embedded image attachment, using the “CID” protocol to reference the attachment within the HTML content of the email. There are three core techniques to embed images in HTML email:Ĭontent-ID (CID) refers to an email attachment that enables the integration of images or other files into the email body.Īs the email client presents the message, it utilizes the “CID” URL model to identify the attachment’s Content-ID and showcase the embedded image. Embed an Image in HTML EmailĮmbedding images directly in the HTML code of your email message can be a great way to create a visually appealing email. So your recipients can view the attachments easily. It is a straightforward process but with a file size limit.Įvery email client has its file upload limit.įor example, if you try to upload a file larger than 25MB for Gmail, it moves the file to the Google Drive link. You can include the image as a standalone file which doesn’t affect your HTML structure. Let’s look at how it can help you enhance the recipient experience. There are two basic ways to attach images to email messages: Try Startup App Try Slides App Other ProductsĮach MIME segment comes with a header specifying the content type (“ text/plain“, “ text/html“, “ image/jpeg“, or “ video/mp4“), encoding, and other metadata about the content. With Startup App and Slides App you can build unlimited websites using the online website editor which includes ready-made designed and coded elements, templates and themes. SMTP servers utilize the MIME standard when formatting emails that include multimedia elements. SMTP ( Simple Mail Transfer Protocol) is the method for transmitting email messages between servers. MIME ( Multipurpose Internet Mail Extensions) is a standard for formatting emails containing multimedia elements like images, audio, and video.īy encoding multimedia files as ASCII text and attaching them to messages, MIME enables emails to feature more than just plain text. Whenever we add multimedia, the involved element is called a MIME object. You can use it to create beautiful, engaging emails that capture your recipient’s attention.Įmbedding in HTML email is a simple process that requires no special skills or software if you know a little bit of code. It is similar to email newsletters but with the added ability to embed images directly into the body of the message. HTML email allows you to include images and other multimedia content in emails. Are linked images in HTML emails considered MIME objects? What is HTML Email?
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