How to embed images in email

Question

I need to embed an image in e-mail. How do I do it?

I do not want to use third party tool, nor am I interested in language specific answer (but it is PHP, in case yo

Answer 1

Generally I handle this by setting up an HTML formatted SMTP message, with IMG tags pointing to a content server. Just make sure you have both text and HTML versions since some email clients cannot support HTML emails.