How does consistent identity affect deliverability?

Consistent identity affects deliverability by building recognizable sender reputation. When you always send from the same domains, with consistent branding, and stable infrastructure, mailbox providers can accurately assess your reputation over time.

Inconsistent identity fragments reputation signals. Sending from multiple unrelated domains, changing From names frequently, or using varied infrastructure makes it difficult for providers to build coherent sender profiles.

Recipients also benefit from consistency. Familiar From addresses are more likely to be opened and less likely to generate complaints. Consistent identity supports the engagement patterns that positively influence reputation.