Isn't it slower? - Yes that's true. But you don't pay a price if you won't get anything for it: PHPMailer makes it easy to send mails, gives you the ability of using attachments, sending HTML-messages and other stuff. With PHPMailer you can even use your own stmp-server and walk around sendmail routines used by the mail() function on *nix platforms.
Features:
- Can send emails with multiple TOs, CCs, BCCs and REPLY-TOs
- Redundant SMTP servers
- Multipart/alternative emails for mail clients that do not read HTML email
- Support for 8bit, base64, binary, and quoted-printable encoding
- Uses the same methods as the very popular AspEmail active server (COM) component
- SMTP authentication
- Word wrap
- Address reset functions
- HTML email
- Tested on multiple SMTP servers: Sendmail, qmail, Postfix, Imail, Exchange, Mercury, Courier
- Works on any win32 or
- nix platform
- Flexible debugging
- Custom mail headers
- Multiple fs, string, and binary attachments (those from database, string, etc)
- Embedded image support