Interspire Email Marketer is unclaimed —

Interspire Email Marketer

Self-Hosted Email Marketing Software with no limits, all features, one price.·interspire.com

Interspire Email Marketer is a self-hosted email marketing and automation platform that installs on the customer's own server infrastructure. It provides a drag-and-drop email builder, autoresponders, triggers, segmentation, surveys, A/B testing and an XML API, and is sold under a one-time perpetual license rather than a recurring subscription. It supports high-volume sending (over 100,000 emails per hour) and includes tools for list hygiene, bounce processing, and reporting.

What it's for

create and send marketing email campaignscapture leads via embeddable web formsautomate email workflows with triggers and autoresponderssegment contact lists for personalized messagingrun A/B tests on subject lines and contentconduct customer and unsubscribe surveysmanage large contact lists at scale with Large System Modeintegrate email marketing with CRMs and e-commerce platforms via the XML API

Features 26

A/B testing
Advanced HTML editing
Automatic IP banning
Automatic list hygiene and bounce processing
Autoresponders and drip campaigns
Bot detection for opens/clicks reporting
Cross-site form embedding
Custom fields with AES encryption at rest
Customizable surveys and unsubscribe surveys
Drag-and-drop email builder
Dynamic content insertion
Encrypted database connections (TLS)
Fine-grained user permissions
Form protection with Cloudflare Turnstile and honeypot
High-volume sending (100,000+ emails/hour)
Import/export tools for contacts and statistics
Large System Mode for millions of contacts
Multilingual interface (per-user language setting)
Newsletter archive
Scheduled sending
Segmentation based on behavior and demographics
Send to multiple lists at once with de-duplication
Triggers and workflow automation
Two-Factor Authentication (TOTP)
Webhooks for real-time notifications
XML API for CRM and e-commerce integration

At a glance

self-hostableAPI

TypeWeb app

DeploymentSelf-hosted

PlatformsWeb, Linux, Windows

Fordigital marketers, publishers, agencies, email service providers

CompanyInterspire · 2003

Integrations

Cloudflare TurnstileUnlayer

Resources

Pricing

All plans are one-time purchases (perpetual license) rather than subscriptions. Payment is accepted via credit card (Stripe) or PayPal, backed by a 30-day money-back guarantee. Maintenance/support renewal after the first year is optional and starts at 25% of the license price.

Self-InstallQuote

Customer installs the software themselves

Includes 5 User Accounts; unlimited contacts, emails and surveys

Pro-InstallationQuote

Marked as most popular plan; expert setup performed by Interspire's team

Includes 5 User Accounts; unlimited contacts, emails and surveys

ConciergeQuote

Custom quote; personalized setup and priority care, request quote required

Flexible licensing; unlimited contacts, emails and surveys