1. Open Webmail.
2. Select Option > scroll down to “Privacy and Junk E-mail Prevention” > Uncheck “Block external content in HTML e-mail messages.”
3. Now click to compose New Mail > Click on Clip Icon to attach.
4. Browse the saved image file and click on Attach> Do not click Done > Double click on the attached Image in the Attachment box it will open in IE then Right click on the Image open in browser select Copy and then Paste it in body of the using Key Ctrl + V.
5. Repeat step 5 to attach multiple image.
6. Send the mail.
It is done ....