Interspire Product Knowledge Base

Optimized Database and indexing, tested with 250,000 emails on a basic shared server. 1,000,000+ on an optimized server.

Built from the ground up for service providers. Private labeling, multi-user accounts, user permissions, email throttling, email credits, scalable pricing model, multiple email client tested CSS email templates

Unmatched intuitive user interface.  

Dedicated customer support and development. Product in development for over 3+ years

Massive list of unrivaled product features too long to mention here. See the complete feature list.

Fanatical customer base

Optimized for marketers. Contact segmenting, personalization, auto responders, scheduled emails, detailed per email level reporting and statistics