Automatically display the images in an email

It is unfortunately not possible to ensure that the images arriving in an email contact inbox are visible. It depends on the email software he use.
The option to allow images to download is typically disabled by default to protect users against spammers.
Some emails software allow users to add a sender to the whitelist and display images by default for its future mailings, but this option is not available everywhere and is left at the user’s discretion.
In other cases, your contacts will have to allow the loading of images before viewing the full content of your email.