Linux sends HTML format messages, mailboxes do not receive HTML formatting problems

Problem:

When you use Linux to send mail, sometimes you want to send HTML-formatted mail, if you find the HTML message sent, but the contents of the mailbox received or pure TXT format.

Reason:

Linux uses the Mail function to send the header parameter to be added, specifying the send content as txt/html

Solve:

1. Send a message test using the command line

You can send a message by executing the following code on the Linux command line

echo "<b><div style= ' color:red ' >html message goes here</div></b>" | Mail-s "$ (echo-e" This is the subject\ncontent-type:text/html ")" 332800462@qq.com

2. When sending using the Mail method in a PHP function, you need to specify the header parameter to send

<?php

$to = "somebody@example.com, somebodyelse@example.com";
$subject = "HTML email";

$message = "