Interspire

Deliver Interspire campaigns with Inboxroad SMTP
Authenticated, monitored, and scalable

Try it out Setup

Key benefits

Works with Interspire’s native SMTP + bounce processing
Dedicated IPs and DKIM-aligned domains supported
Clean bounce handling via a verified mailbox
Real-time help from deliverability engineers

Port 587 transport with modern security
Multi-list / multi-customer friendly
Reputation warm-up and blacklist monitoring
GDPR & CAN-SPAM compliant infrastructure

About Interspire

Interspire Email Marketer is a self-hosted platform for building lists and sending campaigns. Connecting Interspire to Inboxroad lets you keep your Interspire workflows while delivering through our high-reputation SMTP with dedicated IPs, authenticated domains, and hands-on support.

Why choose Interspire + Inboxroad

Keep your stack, upgrade delivery. Use Interspire for lists, segments, and campaigns; route sends through Inboxroad’s infrastructure.
Own your reputation. Separate streams (marketing vs. transactional) on dedicated IPs with DKIM/SPF/DMARC alignment.
Bounce hygiene that sticks. Verified bounce mailbox + proper Return-Path processing to keep lists clean.
Scale safely. Warm-up plans, monitoring, and people you can call when it matters.

Try it out See setup guide