Industry
Affiliate Marketing
Affiliate and performance-marketing programmes send at scale across shifting offers, creatives and traffic sources. Deliverability is a moving target that requires infrastructure designed for rotation, isolation and rapid diagnostics.
Challenges
- Offers change frequently — reputation built on one creative is not automatically portable
- Traffic sources vary in quality; some lists produce complaint rates that would sink a shared platform
- Multiple advertisers, one sending infrastructure — attribution matters
- Blocklist listings hit affiliate senders faster because filters are on watch for the vertical
Our approach
- Per-offer or per-vertical IP pools with clear rotation policy
- Domain topology that separates advertisers or verticals to prevent cross-attribution
- Rapid IP quarantine on defer-rate or complaint spikes
- Continuous seed testing to detect degradation within hours, not days
Deliverability recommendations
- Never mix cold outreach and permission-based mailings on the same IPs
- Segment by list source; suppress underperforming sources aggressively
- Isolate offers that drive complaint rates above 0.2% onto their own IPs and evaluate viability
- Warm every new offer's IP with your best-performing list before scaling
Example engagements
- US performance network: split a single /24 into three vertical pools, added per-pool rotation, blocklist listings dropped 78% quarter-over-quarter.
- European affiliate agency: audit revealed shared IPs across nine advertisers; separated into per-advertiser /28s and observed inbox rate improvements at Yahoo of 22 points.
Examples are anonymised. Named references available under mutual NDA.
Questions
Can we run cold email through Northbound?
No. Unpermissioned outreach is outside our AUP. We work exclusively with permission-based programmes.
How quickly can new IPs be provisioned?
New IP allocations are typically live within 48 hours; warm-up plans typically run 14–30 days depending on target volume.
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