ExecuteIT

Fast mass email engine which sends over 100,000 emails under 5 minutes using up to 150 threads. GoMail lets you send personalised emails to mailing list in text or CSV formats from Microsoft Outlook2000/2002/2003/2007.

Manage subscription or unsubscription by email subject. GoMail Subscription Manager works seemlessly within Microsoft Outlook2000/2002 as a toolbar. It lets you monitor the InBox for particular subject line and automatically save/remove the sender.