1.3.0
The VRFY command now accepts 252 as a valid response code. (Bug 5083)
The mailFrom() and rcptTo() methods now support additional arbitrary parameters. (Request 6339)
Upgraded to package.xml version 2 (via package2.xml).
Updated the license to PHP 3.0.1.
Allow auth via STARTTLS if PHP supports it (requires Net_Socket 1.0.7) (Johan Ohrn, johan@oern.mine.nu).
We now use package.xml version 2 exclusively.
Skip unit tests when the configuration file is not available.
Fixing a protocol error when performing DIGEST-MD5 authentication. (Bug 12206)
Add getServiceExtensions (slusarz@curecanti.org, Bug 13763)

(adrianp)