Some questions related to implementation of image inside email signature?

Question

i need to implement the email signature with image.As of now we only support the text in email signature which is already working.i need to provide the functionality where

Answer 1

To include images in the email message, first you have to include the images as MIME attachments in the email. Each of these attachments must have a "Content-ID" header.

--f46d0444ea0d6991ba04b91c92e6
Content-Type: image/gif; name="theImage.gif"
Content-Transfer-Encoding: base64
Content-ID: 

[base64 string]
--f46d0444ea0d6991ba04b91c92e6--

2) Then, in the email message, include the Content-ID in the src attribute of the tag.