How to send an email with an image inside html via PHP?

Question

PHP

Sending html email in PHP script. Inside is a picture with a direct address.
In Google mail, everything works, the picture is displayed correctly.
In Yandex mail is not shown.
Tried through Content-id, the same story. In Google, the picture is attached, in Yandex it is not shown.
Share the secret of layout of html-letters
Solved the problem. The link was needed in punycode.

Answer 1

There is no secret, I advise you to read the article on Habré " Layout of email newsletters from A to Z for dummies "