The observe of incorporating pictures instantly throughout the physique of an HTML e mail, fairly than linking to exterior sources, includes encoding the picture information throughout the e mail’s HTML code. That is usually achieved by using Base64 encoding, which transforms the binary picture information right into a text-based format appropriate for inclusion within the HTML. A Content material-ID (CID) might be assigned to the embedded picture, permitting it to be referenced throughout the e mail’s HTML utilizing the “ tag and the `src=”cid:image_cid”` attribute.
The principal benefit of this system lies in its potential to show pictures even when recipients are offline or when exterior picture loading is disabled by their e mail consumer. This improves the visible consistency and general person expertise. Traditionally, embedding pictures instantly was a standard strategy resulting from limitations in e mail consumer assist for linked pictures. Whereas linked pictures at the moment are extra reliably displayed, embedding stays related in eventualities the place rapid and assured picture show is paramount.