php发送邮件函数，支持html和普通文本

1. function send_mail($emailaddress, $fromaddress, $namefrom, $emailsubject, $body)
2. {
3. $eol="\n";
4. $mime_boundary=md5(time());
6. # Common Headers
7. $headers .= "From: $namefrom ".$eol;
8. $headers .= "Reply-To: $namefrom ".$eol;
9. $headers .= "Return-Path: $namefrom ".$eol;
10. // these two to set reply address
11. $headers .= "Message-ID: ".$eol;
12. $headers .= "X-Mailer: PHP v".phpversion().$eol; // These two to help avoid spam-filters
14. # Boundry for marking the split & Multitype Headers
15. $headers .= 'MIME-Version: 1.0'.$eol;
16. $headers .= "Content-Type: multipart/related; boundary=\"".$mime_boundary."\"".$eol;
18. $msg = "";
21. # Setup for text OR html
22. $msg .= "Content-Type: multipart/alternative".$eol;
24. # Text Version
25. $msg .= "--".$mime_boundary.$eol;
26. $msg .= "Content-Type: text/plain; charset=iso-8859-1".$eol;
27. $msg .= "Content-Transfer-Encoding: 8bit".$eol;
28. $msg .= strip_tags(str_replace("
    ", "\n", $body)).$eol.$eol;
30. # HTML Version
31. $msg .= "--".$mime_boundary.$eol;
32. $msg .= "Content-Type: text/html; charset=iso-8859-1".$eol;
33. $msg .= "Content-Transfer-Encoding: 8bit".$eol;
34. $msg .= $body.$eol.$eol;
36. # Finished
37. $msg .= "--".$mime_boundary."--".$eol.$eol; // finish with two eol's for better security. see Injection.
39. # SEND THE EMAIL
40. // ini_set(sendmail_from,$fromaddress); // the INI lines are to force the From Address to be used !
41. mail($emailaddress, $emailsubject, $msg, $headers);
43. // ini_restore(sendmail_from);
44. // echo "mail send";
45. return 1;
46. }
48. ?>

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发送邮件, php, html