1.4

• TWEAKED Compatibility with Groundhogg 3.3.3

1.3

• Added support for email threading

1.2.3

• Soft bounce does not mark contact as hard bounce

1.2.1/1.2.2

• Fixed throw exception fatal error

1.2

• Compatibility with Groundhogg 2.4

1.1.1

• Added compatibility with the new Groundhogg multi-SMTP system.

1.0

• Initial release.