Referenced in the source of the email using their web URL: a web server and downloaded into the message each time it is viewed by the recipient.
* it is also possible to embed images in emails as text strings encoded using the Base64 scheme, but tests show that most popular email clients will not display them (see this article for more) Linked images Sent as hidden email attachments* and referenced in the source of the message using a unique Content ID: ĭisplayed automatically when the email is viewedĬan be viewed when the email client is offline Here is what you need to know to make an informed decision between using linked or embedded images in email signatures (and emails in general): Embedded images
Famous ‘box with red x’ indicating issues with an image.
a marketing banner being displayed correctly in the recipients inbox or being blocked and displayed as the dreaded ’empty box with red x’ ( Fig. The choice may seem trivial, but in reality the difference is between e.g. The HTML format, by now the standard for pretty much all email correspondence (business, marketing and even personal), allows for 2 ways of inserting images into messages – linking and embedding.
