<table border="1"> <tr> <td> <img src="cid:img1_deadbeefcafe" alt="inline image 1"></td> <td> <img src="cid:img2_deadbeefcafe" alt="inline image 2"></td> </tr> </table>Notice: For the img tag, only the content id is specified with cid but no path of the image is specified.
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While sending mail with mailsend, we will specify the content ids ith flag -content-id for the specfic image.
Example:
Note: Requires mailsend v1.17b15+. The following command is used to send this mail:
mailsend -v -sub "Testing embedding image in HTML" -from example@gmail.com -to example@gmail.com -smtp smtp.gmail.com -port 587 -starttls -auth -user mailsend.test@gmail.com -cs ISO-8859-1 -content-type "multipart/related" -mime-type text/html -disposition inline -enc-type "none" -attach "test/embedded_image2.html" -mime-type image/png -enc-type "base64" -disposition inline -content-id "img1_deadbeefcafe" -cs "none" -attach "test/blue.png" -content-id "img2_deadbeefcafe" -cs "none" -attach "test/green.png"
Any mail reader that understands multipart-related Content-type will display the html and the image together. Without the content id, the HTML and the image will show up as 2 separate attachments.
Tested with gmail, outlook and yahoo mail which can display HTML file with embedded image.