Mail Attachment

If It not support the format. Then u can just directly sending the image tag in mail with image 

 

Eg:

 

how to occcured these type of error

Only some mail server 

outlook doesnot support base64 format of images

and Linked Resource is used only onlineserver in application host

in recieved Mail in outlook view in browser images are show

l have  embedded the image its save for embedded image but recieved in base64

 

i have also try to directly in mail server insert image and send it .image was showing and embedded but i have send embedded image and image also save in Content image but recieved in base64 in some mail server 

Hi 

Check the link

https://stackoverflow.com/questions/39407474/add-attachment-base64-image-in-mailmessage-and-read-it-in-html-body

https://stackoverflow.com/questions/18847834/base-64-encoded-image-send-in-email-asp-net