DKIM, PHPMailer 5.1, PHPMailer Lite

[andy-227]

We are in process of finalizing the release of three major initiatives for
PHPMailer.

PHPMailer Lite is a smaller footprint version of PHPMailer designed for
forms-to-email, single email sending, and small mailing lists. It defaults
to Sendmail (or Qmail) with fall back to PHP mail(). SMTP support is not
included. Features include automation of author identity (automating
Return-path, Reply-To), and fewer minimum requirements for sending
scripts. DKIM support is included.

PHPMailer includes the automation features mentioned above, several
enhancements, and fixes. DKIM support is included.

The author identity automation features mentioned above are to assist in
getting emails into inboxes and not being identified as junk or spam mail
because of missing headers. The most common missing header is the
Return-path (often showing up as "nobody@..." in email headers.
Both PHPMailer and PHPMailer Lite will now fill those in automatically
from the From Name and From Email if they are missing (and can be
disabled).

Entirely new is DomainKeys Identified Mail (DKIM) support in both
PHPMailer and PHPMailer Lite. The first version of DKIM enhanced Yahoo's
DomainKeys and Cisco's Identified Internet Mail initiatives. DKIM has
since evolved into an inexpensive self-signed and open standard email
authentication specification. Other participants in the development of the
DKIM specification include Sendmail, Qmail, and PGP Corp. DKIM is
implemented by Yahoo, Google (Gmail), Ebay, AOL, Paypal, and the list is
growing.

Along with DKIM support, we are also including a utility to create DKIM
public and private keys, and to create the DNS resource record to add to
your domain DNS Zone record. The utility can handle creation of multiple
key pairs with separate names, and provides the PHPMailer code to include
with your script.

A quick note on digital signing. PHPMailer already includes support for
digital email signing using CA certificates. CA certificates are available
from a wide variety of sources. CA certificates usually involve an
up-front cost, plus annual "renewal" fees. DomainKeys Identified Mail is a
self-signed methodology that you create yourself and no renewal fees (they
don't expire). For more information on DKIM, visit http://www.dkim.org/ .

These are NOT in SVN. If you are interested in beta testing (short cycle),
please contact us. If you get involved in beta testing, we expect you have
the time to test and provide feedback in a short cycle (meaning quickly).

Thanks,
Andy



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